{"product_id":"performance-roller-weights-16x13mm-50cc-139qmb-gy6-50-80cc","title":"Performance Roller Weights 16x13mm 50cc (139QMB) \u0026 GY6 50-80cc","description":"\u003ch2\u003e16x13mm Roller Weights for 139QMB and GY6 50-80cc Scooters\u003c\/h2\u003e\u003cp\u003eThese 16x13mm roller weights are made to fine-tune the CVT transmission on your scooter. They come in weights from 5g to 9g, giving you control over the balance between low-end pull and top speed. As part of our \u003ca href=\"\/collections\/gy6-50cc-parts\"\u003eGY6 50cc scooter range\u003c\/a\u003e, they can help bring back performance that has faded as factory weights wear, with gains in both acceleration and fuel economy.\u003c\/p\u003e\u003ch3\u003eFine-Grained Adjustment\u003c\/h3\u003e\u003cp\u003ePick the weight that suits the performance you want. Lighter rollers tend to get the scooter moving faster off the line, while heavier ones can help it reach a higher top speed. The right set of rollers can noticeably change how your scooter feels on the road.\u003c\/p\u003e\u003ch3\u003eBuild Quality\u003c\/h3\u003e\u003cp\u003eEach roller combines a low-friction polymer sleeve with a metal core for a durable, dependable part. They are produced in Taiwan to ISO 9001 standards and are designed to handle regular riding as well as performance tuning.\u003c\/p\u003e\u003ch3\u003eReplacement Guidance\u003c\/h3\u003e\u003cp\u003eCheck your rollers for wear about every 1,000 miles. Flat spots or a drop in top speed are signs they may need replacing. Keeping them in good shape is important for holding onto your scooter's performance.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\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\u003eSize:\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\u003eOrigin:\u003c\/strong\u003e Made in Taiwan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Buddy 50, RoughHouse 50, Rattler 50, Black Cat 50; Honda Ruckus 50, Metropolitan 50 (pre-2011), Elite 50\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBuddy 50\u003c\/li\u003e\n\u003cli\u003eRoughHouse 50\u003c\/li\u003e\n\u003cli\u003eRattler 50\u003c\/li\u003e\n\u003cli\u003eBlack Cat 50\u003c\/li\u003e\n\u003cli\u003eHonda Ruckus 50\u003c\/li\u003e\n\u003cli\u003eHonda Metropolitan 50 (pre-2011)\u003c\/li\u003e\n\u003cli\u003eHonda Elite 50\u003c\/li\u003e\n\u003cli\u003eHonda Dio (AF25, AF27, AF28)\u003c\/li\u003e\n\u003cli\u003eYamaha Zuma 50 (2-stroke)\u003c\/li\u003e\n\u003cli\u003eYamaha Vino 50\u003c\/li\u003e\n\u003cli\u003eYamaha Jog 50\u003c\/li\u003e\n\u003cli\u003eChinese\/import 139QMB\/GY6 50-80cc engines (TaoTao, CSC Go, etc.)\u003c\/li\u003e\n\u003cli\u003eGY6 80cc (147QMD)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Confirm your engine code (139QMA, 139QMB, 1P39QMB, YN139QMB, 147QMD and others listed), then pick a weight from 5g to 9g. Lighter rollers favor quicker acceleration, while heavier rollers favor higher top speed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/gy6-50cc-parts\"\u003eGY6 50cc Scooter Parts (139QMB)\u003c\/a\u003e · \u003ca href=\"\/collections\/gy6-scooter-parts\"\u003eGY6 Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-variators-rollers\"\u003eScooter Variators \u0026amp; Roller Weights\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"5g","offer_id":51138647326777,"sku":"TT-26585","price":16.98,"currency_code":"USD","in_stock":true},{"title":"6g","offer_id":51138647359545,"sku":"TT-26586","price":16.98,"currency_code":"USD","in_stock":false},{"title":"7g","offer_id":51138647392313,"sku":"TT-26587","price":16.98,"currency_code":"USD","in_stock":true},{"title":"8g","offer_id":51138647425081,"sku":"TT-26588","price":16.98,"currency_code":"USD","in_stock":true},{"title":"9g","offer_id":51138647457849,"sku":"TT-26589","price":16.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/performance-roller-weights-16x13mm-50cc-139qmb-gy6-50-80cc-1.jpg?v=1794376532","url":"https:\/\/www.trendtimes.com\/products\/performance-roller-weights-16x13mm-50cc-139qmb-gy6-50-80cc","provider":"Trend Times Toy Stores","version":"1.0","type":"link"}