{"product_id":"ncy-rollers-16x13-qmb139-tao-tao-csc-go-1200-1051","title":"NCY Performance Roller Weights 16x13mm 139QMB \u0026 GY6 50-80cc","description":"\u003cp\u003eFine-tune your scooter's CVT transmission with \u003cstrong\u003eNCY 16x13mm Roller Weights\u003c\/strong\u003e. Available in 5g through 9g, these precision rollers let you dial in the perfect balance between low-end torque and top-end speed — and replacing worn, flat-spotted rollers restores lost performance and improves fuel efficiency.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Tuning\u003c\/strong\u003e — 5g–9g options to find your CVT sweet spot between acceleration and top speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Durability\u003c\/strong\u003e — low-friction polymer sleeve with metal core, ISO 9001 certified, made in Taiwan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance Recovery\u003c\/strong\u003e — eliminates high-rev lag and restores top speed lost to worn factory weights\u003c\/li\u003e\n\u003cli\u003eSold as a set\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 16mm (diameter) × 13mm (width)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable Weights:\u003c\/strong\u003e 5g, 6g, 7g, 8g, 9g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Low-friction polymer sleeve with metal core\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in Taiwan\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatibility\u003c\/h2\u003e\u003cp\u003eFits a wide range of 50cc–80cc scooters using the 139QMB \/ GY6 50cc engine platform:\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;\"\u003eBrand\u003c\/th\u003e\n\u003cth style=\"text-align:left;\"\u003eCompatible Models\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGenuine Scooter Co.\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBuddy 50, RoughHouse 50, Rattler 50, Black Cat 50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHonda\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRuckus 50, Metropolitan 50 (pre-2011), Elite 50, Dio (AF25, AF27, AF28)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eYamaha\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eZuma 50 (2-stroke), Vino 50, Jog 50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChinese \/ Import\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAll 139QMB \/ GY6 50cc–80cc engines (TaoTao, CSC Go, etc.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eCompatible engine codes: 139QMA, 139QMB, 1P39QMB, 1P39QMA, 1P39QMA-2, YN139QMB, JJ1P39QMB, 139FMA-2, BD1P39QMB, BN139QMB, LJ139QMB, 147QMD (GY6 80cc)\u003c\/p\u003e\u003ch2\u003eTuning Guide\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLighter than stock\u003c\/strong\u003e — crisper acceleration, better low-end pull\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSame as stock\u003c\/strong\u003e — restored factory performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavier than stock\u003c\/strong\u003e — higher top speed with reduced acceleration\u003c\/li\u003e\n\u003c\/ul\u003e\u003cblockquote\u003e\n\u003cstrong\u003eMaintenance Tip:\u003c\/strong\u003e Inspect roller weights every 1,000 miles. Flat spots or a drop in top speed are signs it's time for a fresh set.\u003c\/blockquote\u003e\u003ch2\u003eAbout NCY\u003c\/h2\u003e\u003cp\u003eNCY is the premier provider of aftermarket performance components for Honda, Yamaha, Genuine, Vespa, Piaggio, SYM, Lance, KYMCO, and GY6\/QMB-powered scooters. ISO 9001 certified and made in Taiwan since 1997.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\"\u003eCalifornia Prop 65 Warning: www.p65warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e","brand":"NCY","offers":[{"title":"Default Title","offer_id":48111747301563,"sku":"1200-1051 8G","price":18.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0719\/1340\/6651\/files\/NCY_Performance_Roller_Weights_b2418797-bc59-42ba-b43e-9279a3e455ab.jpg?v=1784293230","url":"https:\/\/thriftyscooters.com\/products\/ncy-rollers-16x13-qmb139-tao-tao-csc-go-1200-1051","provider":"Thrifty Scooters","version":"1.0","type":"link"}