{"title":"Kit rapporti secondari","description":"\u003cp\u003eI kit rapporti secondari per scooter permettono di intervenire sulla parte finale della trasmissione, modificando o ripristinando il rapporto di riduzione. Sono componenti usati sia in manutenzione sia in elaborazioni scooter dove serve adattare la trasmissione alla configurazione del motore.\u003c\/p\u003e\u003cp\u003ePer un intervento completo controlla anche \u003ca href=\"https:\/\/www.billaricambi.it\/collections\/scooter-trasmissione-e-rapporti\"\u003etrasmissione e rapporti scooter\u003c\/a\u003e, \u003ca href=\"https:\/\/www.billaricambi.it\/collections\/scooter-trasmissione-e-rapporti-kit-rapporti-primari\"\u003ekit rapporti primari\u003c\/a\u003e, \u003ca href=\"https:\/\/www.billaricambi.it\/collections\/scooter-trasmissione-e-rapporti-ingranaggi-trasmissione\"\u003eingranaggi trasmissione\u003c\/a\u003e e \u003ca href=\"https:\/\/www.billaricambi.it\/collections\/scooter-trasmissione-e-rapporti-guarnizioni-trasmissione\"\u003eguarnizioni trasmissione\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"rapporti-secondari-minarelli-oriz-vert-top-performances-allungati-15-41","title":"9909520 secondary ratios minarelli oriz vert top performances extended 15\/41","description":"\u003cp\u003e The gearbox (secondary) is printed and ready for installation. A low gear ratio (high ratio) increases the top speed, but it should be noted that only tuned engines can pull this type of gearbox.\u003c\/p\u003e\n\u003cp\u003e 15\/41=1:2.73\u003c\/p\u003e","brand":"Billaricambi SRLS","offers":[{"title":"Default Title","offer_id":55770765033796,"sku":"T9909520","price":85.24,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/3730\/0548\/files\/248274_52411426.png?v=1755877101"},{"product_id":"ingranaggi-secondari-stage6-minarelli-15-39-1260","title":"s6-2016602s secondary gears stage6 minarelli 15\/39 (1:2,60)","description":"\u003ch2\u003e Minarelli secondary gearbox horizontal \/ vertical\u003c\/h2\u003e\n\u003cp\u003e \u003cstrong\u003eStage6 secondary gear ratio, 15\/39 (2.60), Minarelli\u003c\/strong\u003e , extended gear, pre-stamped.\u003c\/p\u003e\n\u003cp\u003e Suitable for all Minarelli engines (Areox, Booster, F12, etc.)\u003c\/p\u003e\n\u003ch3\u003e Changing the gear ratio\u003c\/h3\u003e \u003cp\u003eTo increase the final drive ratio, you need a transmission extender. If the engine has enough power to pull the longer gear ratio, this will also increase the top speed. Original cylinders don't have the power to pull a transmission extender, so they can only be used in combination with tuning cylinders. Unlike conventional transmissions, Stage6 transmissions are already pre-molded and at an unbeatable price. Out with the old transmission, in with the Stage6 transmission - done!\u003c\/p\u003e\n\u003cp\u003e \u003cem\u003eNote: To calculate how much longer the transmission is, you need the gear ratios of both transmissions (standard and tuned). If you now divide the tuned transmission's gear ratio by that of the original transmission, subtract 1, and multiply the total by -100, you get the percentage increase.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cem\u003eExample: ((2.56 : 3.07)-1) x (-100) = 16.62%\u003c\/em\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePlease note: the smaller the gear ratio, the longer the gear change!!!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cstrong\u003eNumber of teeth: 15\/39 (1:2.60)\u003c\/strong\u003e\u003c\/p\u003e","brand":"Billaricambi SRLS","offers":[{"title":"Default Title","offer_id":55770764738884,"sku":"S6-2016602S","price":127.27,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/3730\/0548\/files\/305262_5209591.jpg?v=1755877099"},{"product_id":"rapporti-secondari-minarelli-oriz-vert-top-performances-allungati-15-34","title":"990902p secondary ratios minarelli oriz vert top performances extended 15\/34","description":"\u003cp\u003e TOP PERFORMANCES EXTENDED SECONDARY RATIOS 15\/34 for Minarelli Horizontal \u0026amp; Vertical engines - RATIO 1 : 2.27\u003cbr\u003e\n Code: 990902P\u003cbr\u003e \nThe Product may be reserved exclusively for competitions in places specially designated for such purposes according to the provisions of the competent sports authorities. We decline all responsibility for improper use.\u003cbr\u003e\n FOR INFORMATION DO NOT HESITATE TO CONTACT\u003cbr\u003e\n Billaricambi staff\u003c\/p\u003e\n\n","brand":"Billaricambi SRLS","offers":[{"title":"Default Title","offer_id":55770763788612,"sku":"990902P","price":92.1,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/3730\/0548\/files\/19sc19_65465.png?v=1757266241"},{"product_id":"ingranaggi-secondari-mbk-booster-z15-42","title":"2021346 secondary gears mbk booster z=15-42","description":"\u003cp\u003ePOLINI MBK BOOSTER Secondary Gears Z=15-42\u003cbr\u003e\n Compatibility Table\u003c\/p\u003e\n\u003cp\u003e BENELLI 491 50 GT, ST\u003cbr\u003e\n BENELLI 491 50 RR, RACING, SP, SPORT\u003cbr\u003e\n YAMAHA AEROX 50 2T H2O\u003cbr\u003e\n YAMAHA AEROX 50 2T H2O from 2004-\u0026gt;\u003cbr\u003e\n APRILIA FRIEND 50\u003cbr\u003e\n APRILIA AREA 51\u003cbr\u003e\n BETA ARK 50 AIR\u003cbr\u003e\n BETA ARK 50 LC, K SERIES\u003cbr\u003e\n PGO BIG MAX\u003cbr\u003e\n MALAGUTI CIAK 50\u003cbr\u003e\n ITALJET DRAGSTER 50 LC\u003cbr\u003e\n MALAGUTI F 12 50 PHANTOM (phase 2)\u003cbr\u003e\n MALAGUTI F 12 50 PHANTOM 2000\u003cbr\u003e\n MALAGUTI F 12 50 PHANTOM H2O (phase 2)\u003cbr\u003e\n MALAGUTI F 12 50 PHANTOM LC\u003cbr\u003e\n MALAGUTI F 15 50 FIREFOX (phase 2)\u003cbr\u003e\n MALAGUTI F 15 50 H2O FIREFOX\u003cbr\u003e\n MALAGUTI F 15 50 H2O FIREFOX (phase 2)\u003cbr\u003e\n APRILIA GULLIVER 50\u003cbr\u003e\n APRILIA GULLIVER 50 LC\u003cbr\u003e\n CPI HUSSAR 50 2002\u003cbr\u003e\n CPI HUSSAR 50 2003\u003cbr\u003e\n YAMAHA JOG 50 LC RR\u003cbr\u003e\n BENELLI K2 50\u003cbr\u003e\n BENELLI K2 50 LIQUID COOLED\u003cbr\u003e\n MBK MACH 50 G\u003cbr\u003e\n BENELLI NAKED 50\u003cbr\u003e\n YAMAHA NEO'S 50\u003cbr\u003e\n MBK NITRO 50 H2O\u003cbr\u003e\n MBK NITRO 50 H2O from 1996-\u0026gt;\u003cbr\u003e\n MBK OVETTO 50\u003cbr\u003e\n CPI POPKORN 50 2002\u003cbr\u003e\n CPI POPKORN 50 2003\u003cbr\u003e\n APRILIA RALLY 50\u003cbr\u003e\n APRILIA RALLY 50 LC\u003cbr\u003e\n RIEJU RS SPORT, NKD 50 LC\u003cbr\u003e\n APRILIA SCARABEO 50 2T (Yamaha)\u003cbr\u003e\n YAMAHA SPY 50\u003cbr\u003e\n APRILIA SR 50 2T LC STEALTH, RACING, NETSCAPER\u003cbr\u003e\n APRILIA SR 50 2T mod.1993\u003cbr\u003e\n APRILIA SR 50 2T mod.94, 95, 96 Air\u003cbr\u003e\n APRILIA SR 50 2T mod.94, 95, 96 H2O\u003cbr\u003e\n APRILIA SR 50 2T WWW\u003cbr\u003e\n Code: 2021346\u003cbr\u003e\n The Product may be reserved exclusively for competitions in places specifically designed for such purposes according to the provisions of the competent sports authorities. We decline all responsibility for improper use.\u003cbr\u003e\n FOR INFORMATION DO NOT HESITATE TO CONTACT\u003cbr\u003e\n Billaricambi staff\u003c\/p\u003e\n","brand":"Billaricambi SRLS","offers":[{"title":"Default Title","offer_id":55770763657540,"sku":"2021346","price":78.8,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/3730\/0548\/files\/9184sv19_vd91d.png?v=1757266240"},{"product_id":"rapporti-secondari-minarelli-oriz-vert-top-performances-z16-41","title":"990875p secondary ratios minarelli oriz vert top performances z16-41","description":"\u003cp\u003e\u003cb\u003eTop Performances secondary gear ratio, Minarelli, MA - MY, 16\/41\u003c\/b\u003e to lengthen the gear ratio and thus increase top speed. A small gear ratio (long ratio) increases top speed, however, it should be noted that only tuned engines can pull such a gear.\u003c\/p\u003e\n\u003cp\u003e The gearbox is printed and ready for installation. For the 13-tooth primary gear, Minarelli. Gear ratio 1:2.56.\u003c\/p\u003e","brand":"Billaricambi SRLS","offers":[{"title":"Default Title","offer_id":55770763329860,"sku":"T990875P","price":110.55,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/3730\/0548\/files\/255435_5352025sc6c.png?v=1755877094"},{"product_id":"ingranaggio-secondario-all-mbk-booster-april-z14-41","title":"2021321 secondary gear all.mbk booster-april.z=14-41","description":"\u003cp\u003e 202.1321 POLINI SECONDARY RATIO GEARS Z 14\/41 MBK STUNT 50\u003cbr\u003e\n Compatibility Table\u003c\/p\u003e\n\n\u003cp\u003e BETA ARK 50 AIR\u003cbr\u003e\n BETA ARK 50 LC, K SERIES\u003cbr\u003e\n MBK BOOSTER 50\u003cbr\u003e\n MBK BOOSTER 50 from 2004 -\u0026gt;\u003cbr\u003e\n MBK BOOSTER 50 NEXT GENERATION\u003cbr\u003e\n MBK BOOSTER 50 R, ROCKET\u003cbr\u003e\n MBK BOOSTER 50 SPIRIT\u003cbr\u003e\n MBK BOOSTER 50 TRACK\u003cbr\u003e\n YAMAHA BW'S 50 from 2004-\u0026gt;\u003cbr\u003e\n YAMAHA BW'S 50 NEXT GENERATION\u003cbr\u003e\n YAMAHA BW'S 50 ZUMA\u003cbr\u003e\n ATALA CAROUSEL 50\u003cbr\u003e\n MALAGUTI CENTRO 50 SL\u003cbr\u003e\n MALAGUTI CIAK 50\u003cbr\u003e\n BETA EIKON 50\u003cbr\u003e\n MBK FLIPPER 50\u003cbr\u003e\n APRILIA GULLIVER 50\u003cbr\u003e\n APRILIA GULLIVER 50 LC\u003cbr\u003e\n KTM K 50\u003cbr\u003e\n BENELLI PEPE 50, LX until 2004\u003cbr\u003e\n ITALJET PISTA 50 1\/2, YANKEE, SCOOP 2\/3\u003cbr\u003e\n BETA QUADRA 50 CHRONO 502\u003cbr\u003e\n APRILIA RALLY 50\u003cbr\u003e\n APRILIA RALLY 50 LC\u003cbr\u003e\n APRILIA SCARABEO 50 2T (Yamaha)\u003cbr\u003e\n YAMAHA SLIDER 50\u003cbr\u003e\n YAMAHA SPY 50\u003cbr\u003e\n APRILIA SR 50 2T mod.1993\u003cbr\u003e\n MBK STUNT 50\u003cbr\u003e\n MOTRON SYNCRO\u003cbr\u003e \nBETA TIME 50\u003cbr\u003e\n MOTRON THUNDER\u003cbr\u003e\n YAMAHA WHY 50\u003cbr\u003e\n Code: 2021321\u003cbr\u003e\n The Product may be reserved exclusively for competitions in places specially designated for such purposes according to the provisions of the competent sports authorities. We decline all responsibility for improper use.\u003cbr\u003e\n FOR INFORMATION DO NOT HESITATE TO CONTACT\u003cbr\u003e\n Billaricambi staff\u003c\/p\u003e\n\n","brand":"Billaricambi SRLS","offers":[{"title":"Default Title","offer_id":55770763133252,"sku":"2021321","price":78.8,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/3730\/0548\/files\/9184sv19_vd91d_b11e2d2a-ba5b-400b-b5d2-705dc0a741fe.png?v=1757266233"},{"product_id":"ingranaggi-secondari-stage6-minarelli-14-41-1293","title":"s6-2016601s secondary gears stage6 minarelli 14\/41 (1:2,93)","description":"\u003ch2\u003e Minarelli secondary gearbox horizontal \/ vertical\u003c\/h2\u003e\n\u003cp\u003e \u003cstrong\u003eStage6 secondary gear ratio, 14\/41 (2.93), Minarelli\u003c\/strong\u003e , extended gear, pre-stamped.\u003c\/p\u003e\n\u003cp\u003e Suitable for all Minarelli engines (Areox, Booster, F12, etc.)\u003c\/p\u003e\n\u003ch3\u003e Changing the gear ratio\u003c\/h3\u003e \u003cp\u003eTo increase the final drive ratio, you need a transmission extender. If the engine has enough power to pull the longer gear ratio, this will also increase the top speed. Original cylinders don't have the power to pull a transmission extender, so they can only be used in combination with tuning cylinders. Unlike conventional transmissions, Stage6 transmissions are already pre-molded and at an unbeatable price. Out with the old transmission, in with the Stage6 transmission - done!\u003c\/p\u003e\n\u003cp\u003e \u003cem\u003eNote: To calculate how much longer the transmission is, you need the gear ratios of both transmissions (standard and tuned). If you now divide the tuned transmission's gear ratio by that of the original transmission, subtract 1, and multiply the total by -100, you get the percentage increase.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cem\u003eExample: ((2.56 : 3.07)-1) x (-100) = 16.62%\u003c\/em\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eNote: The smaller the gear ratio value, the longer the gear change!!!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cstrong\u003eNumber of teeth: 14\/41 (1:2.93)\u003c\/strong\u003e\u003c\/p\u003e","brand":"Billaricambi SRLS","offers":[{"title":"Default Title","offer_id":55770762903876,"sku":"S6-2016601S","price":127.27,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/3730\/0548\/files\/78764_5256316.jpg?v=1755877093"},{"product_id":"ingranaggio-secondari-htq-z-14-47-con-calettamento-forzato-d-17","title":"679968 secondary gear htq z 14\/47 with forced fit - d.17","description":"\u003cp\u003e \u003cb\u003eMalossi secondary gearbox from 1999, Piaggio from 8\/98, 17.7 mm, 14\/47\u003c\/b\u003e for an extended final drive ratio. Increased top speed. Please use only with tuned engines - 50cc or 70cc sports or racing cylinders.\u003c\/p\u003e\n\u003cp\u003e - Secondary gearbox 14\/47\u003cbr\u003e - Piaggio \/ Gilera 50 - 125cc (after 1999, D. = 17.7mm)\u003c\/p\u003e","brand":"Billaricambi SRLS","offers":[{"title":"Default Title","offer_id":55770761265476,"sku":"M679968","price":75.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/3730\/0548\/files\/267726_5320456c9s4.png?v=1755877083"},{"product_id":"ingranaggi-secondari-naraku-racing-14-39-10gy6-125-150ccm-152-157qmi","title":"NK901.22 Secondary Gears Naraku Racing 14\/39 +10%GY6 125\/150ccm 152\/157QMI","description":"\u003cp\u003e Cod: NK901.22 Secondary gears Naraku Racing 14\/39 +10%GY6 125\/150ccm 152\/157QMI\u003c\/p\u003e\n\n\u003cp\u003e The Product may be reserved exclusively for competitions in places specially designated for such purposes according to the provisions of the competent sports authorities. We decline all responsibility for improper use.\u003cbr\u003e\n FOR INFORMATION DO NOT HESITATE TO CONTACT\u003cbr\u003e\n Billaricambi staff\u003c\/p\u003e\n\n","brand":"Billaricambi SRLS","offers":[{"title":"Default Title","offer_id":49332199457092,"sku":"NK901.22","price":49.77,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/3730\/0548\/files\/317544_2965605.jpg?v=1757269072"},{"product_id":"ingranaggi-secondari-malossi-htq-15-42-mbk-nitro-booster-100cc","title":"M6711486 Malossi HTQ Secondary Gears, 15\/42, MBK Nitro \/ Booster 100cc","description":"\u003cp\u003e We offer you this \u003cstrong\u003eMalossi 15\/42 primary transmission\u003c\/strong\u003e for your \u003cstrong\u003eMBK Nitro \/ Booster 100cc Maxiscooter.\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e The transmission allows for a longer power ratio at the wheel.\u003cbr\u003e\u003cbr\u003e With a longer gearing, you'll increase top speed but lose some acceleration. And vice versa with a shorter gearing.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e Type: primary\u003c\/li\u003e\n\n\u003cli\u003e Gear ratio: 15\/42\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Billaricambi SRLS","offers":[{"title":"Default Title","offer_id":49332246315332,"sku":"M6711486","price":104.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/3730\/0548\/files\/306663_2741208-1.jpg?v=1755874811"},{"product_id":"ingranaggi-secondari-malossi-htq-17-41-honda-pantheon-125-150cc","title":"M6711060 Malossi HTQ Secondary Gears, 17\/41 Honda Panthéon 125-150cc","description":"\u003cp\u003eA transmission extender puts the engine's power exactly where it's needed, provided, of course, that the engine also provides the necessary additional power. On the one hand, this means that a transmission extender is a great advantage for highly tuned engines, but on the other hand, it's not possible to use such an extender with stock configurations.\u003c\/p\u003e Here we can offer you a \u003cb\u003eMalossi HTQ secondary gearbox, 17\/41\u003c\/b\u003e , for Honda 125 - 250cc 2 stroke.\u003cp\u003e\u003c\/p\u003e","brand":"Billaricambi SRLS","offers":[{"title":"Default Title","offer_id":49332357267780,"sku":"M6711060","price":95.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/3730\/0548\/files\/NRT09B8B4_RTNT980E8RTV.png?v=1755873793"},{"product_id":"ingranaggi-secondari-naraku-racing-15-37-20-gy6-125-150ccm-152-157qmi","title":"NK901.23 Naraku Racing Secondary Gears 15\/37 +20% GY6 125\/150ccm 152\/157QMI","description":"\u003cp\u003e Cod: NK901.23 Secondary gears Naraku Racing 15\/37 +20% GY6 125\/150ccm 152\/157QMI\u003c\/p\u003e\n\n \u003cp\u003eThe Product may be reserved exclusively for competitions in places specially designated for such purposes according to the provisions of the competent sports authorities. We decline all responsibility for improper use.\u003cbr\u003e\n FOR INFORMATION DO NOT HESITATE TO CONTACT\u003cbr\u003e\n Billaricambi staff\u003c\/p\u003e\n\n","brand":"Billaricambi SRLS","offers":[{"title":"Default Title","offer_id":49332367130948,"sku":"NK901.23","price":65.71,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/3730\/0548\/files\/294990_2648472-1.jpg?v=1757272987"},{"product_id":"ingranaggi-secondario-polini-16-42-vespa-gts-primavera-sprint-125-150-euro-4-5","title":"P202.1416 Polini secondary gear 16\/42 Vespa GTS \/ Primavera \/ Sprint 125 \/ 150 Euro 4\/5","description":"\u003cp\u003e Polini Secondary Gearbox 16\/42 Vespa GTS \/ Primavera \/ Sprint 125 \/ 150 Euro 4\/5\u003c\/p\u003e \u003cp\u003eThe transmission's gear ratio has a decisive influence on the engine's performance characteristics. The gear ratio is adjusted to keep pace with the tuned engine and convert the extra power into noticeable results, both in terms of acceleration and top speed. A longer gear ratio favors top speed at the expense of acceleration.\u003c\/p\u003e\n\u003cp\u003e Here we can offer you a Polini \u003cstrong\u003esecondary gearbox\u003c\/strong\u003e , Z= 16\/42.\u003c\/p\u003e\n\u003cp\u003e ATTENTION: To replace the intermediate shaft gear wheel, a hydraulic press or a corresponding assembly tool is required.\u003c\/p\u003e","brand":"Billaricambi SRLS","offers":[{"title":"Default Title","offer_id":49332409827652,"sku":"P202.1416","price":109.78,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/3730\/0548\/files\/527400_4299255.jpg?v=1755870931"},{"product_id":"ingranaggi-secondari-naraku-racing-18-36-35-gy6-125-150ccm-152-157qmi","title":"NK900.99 Naraku Racing Secondary Gears 18\/36 +35% GY6 125\/150ccm 152\/157QMI","description":"\u003cp\u003e Cod: NK900.99 Secondary gears Naraku Racing 18\/36 +35% GY6 125\/150ccm 152\/157QMI\u003c\/p\u003e\n\n\u003cp\u003e The Product may be reserved exclusively for competitions in places specially designated for such purposes according to the provisions of the competent sports authorities. We decline all responsibility for improper use.\u003cbr\u003e\n FOR INFORMATION DO NOT HESITATE TO CONTACT\u003cbr\u003e\n Billaricambi staff\u003c\/p\u003e\n\n","brand":"Billaricambi SRLS","offers":[{"title":"Default Title","offer_id":49332414906692,"sku":"NK900.99","price":57.25,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/3730\/0548\/files\/256941_2717046.jpg?v=1757272683"},{"product_id":"ingranaggi-secondario-polini-15-39-honda-sh-125-150i-fino-2012","title":"P202.1408 Polini secondary gear 15\/39 Honda SH 125\/150i up to 2012","description":"\u003cp\u003e Polini Secondary Gearbox 15\/39 Honda SH 125\/150i up to 2012\u003c\/p\u003e\n\u003cp\u003e The gear ratio has a decisive influence on the engine's power characteristics. The gear ratio is adjusted to keep pace with the tuned engine and translate the extra power into noticeable results, both in terms of acceleration and top speed. A longer gear ratio favors top speed at the expense of acceleration.\u003c\/p\u003e\n\u003cp\u003e In this case we can offer you a Polini \u003cstrong\u003esecondary gearbox\u003c\/strong\u003e , Z= 15 \/ 39.\u003c\/p\u003e \u003cp\u003eATTENTION: To replace the intermediate shaft gear wheel, a hydraulic press or a corresponding assembly tool is required.\u003c\/p\u003e","brand":"Billaricambi SRLS","offers":[{"title":"Default Title","offer_id":49332462649668,"sku":"P202.1408","price":120.88,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/3730\/0548\/files\/527391_4298583.jpg?v=1755870444"},{"product_id":"ingranaggi-secondario-polini-16-42-vespa-gts-primavera-sprint-125-150-euro-3","title":"P202.1415 Polini secondary gear 16\/42 Vespa GTS \/ Primavera \/ Sprint 125 \/ 150 Euro 3","description":"\u003cp\u003e Polini Secondary Gearbox 16\/42 Vespa GTS \/ Primavera \/ Sprint 125 \/ 150 Euro 3\u003c\/p\u003e \u003cp\u003eThe transmission's gear ratio has a decisive influence on the engine's performance characteristics. The gear ratio is adjusted to keep pace with the tuned engine and convert the extra power into noticeable results, both in terms of acceleration and top speed. A longer gear ratio favors top speed at the expense of acceleration.\u003c\/p\u003e\n\u003cp\u003e Here we can offer you a Polini \u003cstrong\u003esecondary gearbox\u003c\/strong\u003e , Z= 16\/42.\u003c\/p\u003e\n\u003cp\u003e ATTENTION: To replace the intermediate shaft gear wheel, a hydraulic press or a corresponding assembly tool is required.\u003c\/p\u003e","brand":"Billaricambi SRLS","offers":[{"title":"Default Title","offer_id":49332471628100,"sku":"P202.1415","price":97.44,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/3730\/0548\/files\/527397_4299168.jpg?v=1755870363"},{"product_id":"ingranaggi-secondari-malossi-z15-47-uv313-17-vespa-et4-lx-2v-50cc-4t","title":"M6712144 Malossi Secondary Gears, Z=15 \/ 47, ÜV=3.13, +17% Vespa ET4 \/ LX 2V 50cc 4T","description":"\u003cp\u003e The gear ratio has a decisive influence on the engine's performance characteristics. Larger gears result in a shorter gear ratio, which improves the scooter's traction but at the expense of top speed. A longer gear ratio, on the other hand, improves top speed at the expense of acceleration.\u003c\/p\u003e\n\u003cp\u003e Here we can offer you a \u003cb\u003eMalossi secondary gearbox, Z=15 \/ 47, ÜV=3,13, +17% Vespa ET4 \/ LX 2V 50cc 4-stroke\u003c\/b\u003e with straight gearbox (= lower friction losses and heat development).\u003c\/p\u003e \u003cp\u003eGear ratio 15\/47: 3.13 = +17% at 2V \/ +25% at 4V\u003c\/p\u003e","brand":"Billaricambi SRLS","offers":[{"title":"Default Title","offer_id":49332492435780,"sku":"M6712144","price":83.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/3730\/0548\/files\/255114_2630373-1.jpg?v=1755870185"},{"product_id":"ingranaggi-secondario-13-52-cpi-keeway-scooter-cinesi-2t","title":"OE-CPI20912 Secondary Gear 13\/52 CPI \/ Keeway \/ Chinese Scooter 2T","description":" Original intermediate shaft for CPI engines.\u003cbr\u003e\u003cbr\u003e Check your original gearbox beforehand! \u003cbr\u003e","brand":"Billaricambi SRLS","offers":[{"title":"Default Title","offer_id":49332495581508,"sku":"OE-CPI20912","price":16.86,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/3730\/0548\/files\/278433_2630601-1.jpg?v=1755870159"},{"product_id":"ingranaggi-secondari-piaggio-anno-8-98-177mm-13-4","title":"M679966 Secondary Gears, Piaggio Year 8\/98, 17.7mm, 13\/48","description":"\u003cp\u003e The gear ratio has a decisive influence on the engine's performance characteristics. Larger gears result in a shorter gear ratio, which improves the scooter's traction but at the expense of top speed. A longer gear ratio, on the other hand, improves top speed at the expense of acceleration.\u003c\/p\u003e \u003cp\u003eHere we can offer you a \u003cb\u003esecondary transmission ratio, Piaggio Bj. 8\/98, 17,7mm, 1 3\/4\u003c\/b\u003e with a shaft with a diameter of 17mm and smooth shaft.\u003c\/p\u003e","brand":"Billaricambi SRLS","offers":[{"title":"Default Title","offer_id":49332503642436,"sku":"M679966","price":78.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/3730\/0548\/files\/81296_1419134.jpg?v=1755870087"},{"product_id":"ingranaggi-secondari-polini-14-43-piaggio-liberty-50cc-4t-3v-iget","title":"P202.1414 Secondary Gears Polini 14\/43 Piaggio Liberty 50cc 4T 3V iGet","description":"\u003cp\u003e Polini secondary transmission ratio 14\/43 for Piaggio Liberty 50cc 4-stroke 3V iGet to lengthen the final transmission ratio of your scooter. A longer transmission ratio increases top speed.\u003c\/p\u003e\n\u003cp\u003e Polini has made a fundamental improvement to the 3V iGET ie Euro 3 engines, including this gear kit. Polini recommends using it with the 79cc cylinder (P140.0223), the ECU module (P171.0007), and the Hi-Speed ​​variator (U241.737), also developed for this engine, to significantly increase engine power.\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e","brand":"Billaricambi SRLS","offers":[{"title":"Default Title","offer_id":49332513440068,"sku":"P202.1414","price":93.75,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/3730\/0548\/files\/411972_2885547.jpg?v=1757272010"},{"product_id":"ingranaggio-secondario-polini-14-41-mbk-nitro-booster","title":"P202.1321 Polini Secondary Gear, 14\/41, MBK Nitro \/ Booster","description":"\u003cp\u003eGear ratios increase the scooter's final drive ratio. If the engine has enough power to withstand the longer gear change, the final speed also increases. Only use with tuning cylinders! Original cylinders generally don't have enough power.\u003c\/p\u003e","brand":"Billaricambi SRLS","offers":[{"title":"Default Title","offer_id":49332514062660,"sku":"P202.1321","price":78.8,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/3730\/0548\/files\/293223_2763559.jpg?v=1755869972"},{"product_id":"ingranaggi-secondario-polini-14-48-con-parastrappi-piaggio-dopo-98","title":"P202.1409 Polini secondary gear 14\/48 with Piaggio shock absorber after `98","description":"\u003cp\u003e Polini Secondary Gearbox 14\/48 incl. wheel shaft with shock absorber Piaggio from '98 onwards\u003c\/p\u003e\n\u003cp\u003e The transmission's gear ratio has a decisive influence on the engine's power output. The gear ratio is adjusted to keep pace with the tuned engine and convert the extra power into noticeable results, both in terms of acceleration and top speed. A longer gear ratio favors top speed at the expense of acceleration.\u003c\/p\u003e \u003cp\u003ePolini offers you a \u003cstrong\u003especial series\u003c\/strong\u003e , a \u003cstrong\u003esecondary gearbox Z= 14\/48\u003c\/strong\u003e that comes with a \u003cstrong\u003edamped wheel shaft\u003c\/strong\u003e . This reduces reactions to load changes and vibrations. The gearbox output shaft has also been lengthened to allow the installation of the additional Polini Torsen WD swingarm.\u003c\/p\u003e\n\u003cp\u003e ATTENTION: Replacing the intermediate shaft gear requires a hydraulic press or a corresponding assembly tool. Additionally, the \"Evolution Gear Box\" gearbox cover P170.0300 is required for assembly.\u003c\/p\u003e","brand":"Billaricambi SRLS","offers":[{"title":"Default Title","offer_id":49332520452420,"sku":"P202.1409","price":394.61,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/3730\/0548\/files\/527394_4297443.jpg?v=1758975691"},{"product_id":"ingranaggi-secondari-doppler-14-41-mbk-booster-nitro","title":"CGN279301 Secondary Gears Doppler 14-41 MBK Booster \/ Nitro","description":"\u003cp\u003e \u003cb\u003eDoppler 14-41 secondary gear ratio for MBK Booster \/ Nitro\u003c\/b\u003e for tuned engines. Larger gears result in a shorter ratio, which benefits the scooter's traction, while a longer ratio favors top speed. Stock engines usually don't have the power to pull a modified ratio, so a higher ratio is only recommended for tuned engines. Definitely a good choice if you want to maximize the potential of your tuned engine.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e Secondary gear ratio: 14\/41\u003c\/li\u003e\n\n\u003cli\u003e Pressure fitting\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Billaricambi SRLS","offers":[{"title":"Default Title","offer_id":49332522352964,"sku":"CGN279301","price":70.15,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/3730\/0548\/files\/283455_2771502-1.jpg?v=1755869902"},{"product_id":"ingranaggi-secondario-polini-14-43-vespa-50-iget-euro-5","title":"P202.1424 Secondary gear Polini 14\/43 Vespa 50 IGET Euro 5","description":"\u003cp\u003e Polini Secondary Gearbox 14\/43 Vespa 50 IGET Euro 5\u003c\/p\u003e\n\u003cp\u003e The gear ratio has a decisive influence on the engine's performance characteristics. The gear ratio is adjusted to keep pace with the tuned engine and translate the extra power into noticeable results, both in terms of acceleration and top speed. A longer gear ratio favors top speed at the expense of acceleration.\u003c\/p\u003e \u003cp\u003eHere we can offer you a Polini \u003cstrong\u003esecondary gearbox\u003c\/strong\u003e , Z= 14 \/ 43, with straight gears (= lower friction losses and heat development).\u003c\/p\u003e\n\u003cp\u003e ATTENTION: To replace the intermediate shaft gear wheel, a hydraulic press or a corresponding assembly tool is required.\u003c\/p\u003e","brand":"Billaricambi SRLS","offers":[{"title":"Default Title","offer_id":49332524712260,"sku":"P202.1424","price":89.27,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/3730\/0548\/files\/528408_4297362.jpg?v=1755869880"},{"product_id":"ingranaggi-secondari-polini-piaggio-dal-1999-177mm-14-48","title":"P202.1404 Polini Secondary Gears, Piaggio from 1999, 17.7mm, 14\/48","description":"\u003cp\u003e A transmission extension directs the engine's power exactly where it's needed, provided, of course, that the engine also provides the necessary additional power. On the one hand, this means that a transmission extension is a great advantage for highly tuned engines; on the other, it means that such an extension cannot be used with the original configurations.\u003c\/p\u003e\n\u003cp\u003e Gear ratio: 14\/48 (3.43) =\u0026gt; +7%\u003cbr\u003e shaft diameter 17.7 mm \u003c\/p\u003e","brand":"Billaricambi SRLS","offers":[{"title":"Default Title","offer_id":49332528316740,"sku":"P202.1404","price":85.34,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/3730\/0548\/files\/390870_2987181.jpg?v=1755869862"},{"product_id":"ingranaggi-secondario-polini-14-48-177mm-piaggio","title":"P202.1373 Secondary gear Polini 14\/48 17,7mm Piaggio","description":"\u003cp\u003e Polini Secondary Gearbox 14\/48 17.7mm Piaggio\u003c\/p\u003e\n\u003cp\u003e The gear ratio has a decisive influence on the engine's performance characteristics. The gear ratio is adjusted to keep pace with the tuned engine and translate the extra power into noticeable results, both in terms of acceleration and top speed. A longer gear ratio favors top speed at the expense of acceleration.\u003c\/p\u003e\n\u003cp\u003e Here we can offer you a Polini \u003cstrong\u003esecondary gearbox\u003c\/strong\u003e , Z= 14\/48.\u003c\/p\u003e \u003cp\u003eATTENTION: To replace the intermediate shaft gear wheel, a hydraulic press or a corresponding assembly tool is required. \u003c\/p\u003e","brand":"Billaricambi SRLS","offers":[{"title":"Default Title","offer_id":49332533756228,"sku":"P202.1373","price":199.83,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/3730\/0548\/files\/527385_4297383.jpg?v=1757271886"},{"product_id":"ingranaggi-secondari-polini-15-42-mbk-nitro-booster","title":"P202.1346 Polini Secondary Gears, 15\/42 MBK Nitro \/ Booster","description":"\u003cp\u003eGear ratios increase the scooter's final drive ratio. If the engine has enough power to withstand the longer gear change, the final speed also increases. Only use with tuning cylinders! Original cylinders generally don't have enough power.\u003c\/p\u003e","brand":"Billaricambi SRLS","offers":[{"title":"Default Title","offer_id":49332536738116,"sku":"P202.1346","price":78.8,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/3730\/0548\/files\/250887_2693742.jpg?v=1755869806"},{"product_id":"ingranaggio-secondario-polini-15-48-derbi-hunter","title":"P202.1366 Polini Secondary Gear, 15\/48 Derbi Hunter","description":"\u003cp\u003eGear ratios increase the scooter's final drive ratio. If the engine has enough power to withstand the longer gear change, the final speed also increases. Only use with tuning cylinders! Original cylinders generally don't have enough power.\u003c\/p\u003e","brand":"Billaricambi SRLS","offers":[{"title":"Default Title","offer_id":49332537229636,"sku":"P202.1366","price":60.44,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/3730\/0548\/files\/302310_2880762.jpg?v=1755869803"},{"product_id":"ingranaggi-secondari-polini-piaggio-anno-8-98-177mm-16-47","title":"P202.1402 Secondary Gears Polini, Piaggio Year 8\/98, 17,7mm, 16\/47","description":"\u003cp\u003eA transmission extension directs the engine's power exactly where it's needed, provided, of course, that the engine also provides the necessary additional power. On the one hand, this means that a transmission extension is a great advantage for highly tuned engines; on the other, it means that such an extension cannot be used with the original configurations.\u003c\/p\u003e\n\u003cp\u003e Gear ratio: 16\/47 (2.94) =\u0026gt; +20.3%\u003cbr\u003e Shaft diameter = 17.7 mm.\u003cbr\u003e Including bearings and washers.\u003c\/p\u003e","brand":"Billaricambi SRLS","offers":[{"title":"Default Title","offer_id":49332573372740,"sku":"P202.1402","price":85.34,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/3730\/0548\/files\/280914_2717421.jpg?v=1755859296"},{"product_id":"ingranaggi-secondario-polini-pgo-big-max-t-rex-50","title":"P202.1421 Secondary gear Polini PGO Big Max \/ T-Rex 50","description":"\u003cp\u003e Polini Secondary Gearbox PGO Big Max \/ T-Rex 50\u003c\/p\u003e \u003cp\u003eThe gear ratio has a decisive influence on the engine's performance characteristics. The gear ratio is adjusted to keep pace with the tuned engine and convert the extra power into noticeable results, both in terms of acceleration and top speed. A higher gear ratio favors top speed at the expense of acceleration.\u003c\/p\u003e\n\u003cp\u003e Here we can offer you a Polini \u003cstrong\u003esecondary gearbox\u003c\/strong\u003e , Z= 14 \/ 41, with straight gears (= lower friction losses and heat development).\u003c\/p\u003e\n\u003cp\u003e ATTENTION: To replace the intermediate shaft gear wheel, a hydraulic press or a corresponding assembly tool is required.\u003c\/p\u003e","brand":"Billaricambi SRLS","offers":[{"title":"Default Title","offer_id":49333156577604,"sku":"P202.1421","price":88.48,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/3730\/0548\/files\/527403_4296435.jpg?v=1755873629"},{"product_id":"ingranaggio-secondario-dr-minarelli-lungo-13-42","title":"DR-CI07452 Secondary gear, DR, Minarelli long, 13\/42","description":"\u003cdiv data-wrapper=\"true\" aria-expanded=\"true\"\u003e\n\n\u003cdiv class=\"pvd_pc__accordion_content uk-accordion-content uk-active\"\u003e\n\n\u003cdiv data-b=\"beschreibung\"\u003e\n\n\u003ch2\u003e Aerox secondary gearbox\u003c\/h2\u003e\n\n\u003cp\u003e Secondary gearbox for 50cc scooters with horizontal\/vertical Minarelli engines, such as the Yamaha Aerox\/Jog, MBK Booster, Malaguti F12\/F15, and many others. The gearbox is fully molded and ready for installation.\u003c\/p\u003e\n\n\u003ch3\u003e Minarelli Scooter Gear Details\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e Secondary gearbox\u003c\/li\u003e\n\n\u003cli\u003e Gear wheels + shafts\u003c\/li\u003e\n\n\u003cli\u003e Ready to install \/ pre-printed\u003c\/li\u003e\n\n\u003cli\u003e Gear ratio: 13\/42 \u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e","brand":"Billaricambi SRLS","offers":[{"title":"Default Title","offer_id":49333735031108,"sku":"TCI07452","price":59.09,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/3730\/0548\/files\/306501_2625762-1.jpg?v=1755941721"},{"product_id":"m6711445-ingranaggi-secondari-malossi-piaggio-liberty-125-15-47","title":"M6711445 Malossi secondary gears Piaggio Liberty 125 15\/47","description":"\u003ch2\u003e Piaggio Liberty 125 Malossi Transmission\u003c\/h2\u003e\n\u003cp\u003e We offer you this Malossi 15\/47 secondary transmission for Piaggio Liberty 125 Euro 0 and Euro 1 Maxiscooter.\u003cbr\u003e\u003cbr\u003e The transmission extends the power ratio to the wheel. With a longer transmission, you'll increase top speed but lose some acceleration. And vice versa with a shorter transmission.\u003c\/p\u003e\n\u003cp\u003e Please note that it is absolutely necessary to replace the transmission oil with new oil when reassembling the Malossi transmission.\u003c\/p\u003e\n\u003ch3\u003e Piaggio Liberty transmission details:\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli\u003e Transmission type: \u003cstrong\u003eSecondary\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e Gear ratio: \u003cstrong\u003e15\/47\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Billaricambi SRLS","offers":[{"title":"Default Title","offer_id":55461166252356,"sku":"M6711445","price":55.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/3730\/0548\/files\/638766_5839896.jpg?v=1755854725"},{"product_id":"m6711135-ingranaggi-secondari-malossi-piaggio-zip-50-4t-15-55","title":"M6711135 Malossi secondary gears Piaggio Zip 50 4T 15\/55","description":"\u003ch2\u003e Piaggio Zip 50 4T Malossi Transmission\u003c\/h2\u003e\n\u003cp\u003e We offer you this Malossi 15\/55 secondary transmission for the Piaggio Zip 50cc 4T scooter.\u003cbr\u003e\u003cbr\u003e The transmission allows you to extend the power ratio to the wheel. With a longer transmission, you'll increase top speed but lose some acceleration. And vice versa with a shorter transmission.\u003c\/p\u003e\n\u003cp\u003e Please note that it is absolutely necessary to replace the transmission oil with new oil when reassembling the Malossi transmission.\u003c\/p\u003e\n\u003ch3\u003e Piaggio 50 4-stroke transmission details:\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli\u003e Transmission type: \u003cstrong\u003eSecondary\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e Gear ratio: \u003cstrong\u003e15\/55\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e Piaggio Zip 50 IGet 3V Transmission\u003c\/li\u003e\n\n\u003cli\u003e Vespa Primavera 50 4-stroke\u003c\/li\u003e\n\n\u003cli\u003e Vespa Sprint 50 4-stroke transmission\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Billaricambi SRLS","offers":[{"title":"Default Title","offer_id":55461177196868,"sku":"M6711135","price":73.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/3730\/0548\/files\/638760_5840229.jpg?v=1755854672"},{"product_id":"070415-rapporti-secondari-athena-denti-dritti-15-39-minarelli-orizzontale-e-verticale","title":"070415 Athena secondary ratios straight teeth 15\/39 Minarelli Horizontal and Vertical","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eAthena's wide range of primary and secondary gears for scooters allows you to calibrate the desired final speed ratio according to your needs. The gears are easy to install and maximize the engine's power output, significantly increasing overall performance.\u003c\/span\u003e\u003c\/p\u003e","brand":"Billaricambi SRLS","offers":[{"title":"Default Title","offer_id":55610919813444,"sku":"070415","price":50.75,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/3730\/0548\/files\/M4I5NGI4N_C34IO.jpg?v=1757499215"}],"url":"https:\/\/www.billaricambi.it\/en\/collections\/scooter-trasmissione-e-rapporti-kit-rapporti-secondari.oembed","provider":"Billaricambi SRLS","version":"1.0","type":"link"}