{"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 designed to optimize the CVT transmission of your scooter. Available in weights ranging from 5g to 9g, they allow for precise tuning between torque and speed. This product is one of the \u003ca href=\"\/collections\/gy6-50cc-parts\"\u003eGY6 50cc scooter parts\u003c\/a\u003e that can restore performance lost from worn factory weights, improving both acceleration and fuel efficiency.\u003c\/p\u003e\u003ch3\u003ePrecision Tuning\u003c\/h3\u003e\u003cp\u003eChoose from a variety of weights to achieve your desired performance balance. Lighter weights provide quicker acceleration, while heavier weights can increase top speed. Finding the right roller weight can make a significant difference in how your scooter performs on the road.\u003c\/p\u003e\u003ch3\u003eConstruction Quality\u003c\/h3\u003e\u003cp\u003eThese roller weights feature a low-friction polymer sleeve combined with a metal core, ensuring durability and reliability. Manufactured in Taiwan under ISO 9001 standards, they are built to withstand the demands of everyday riding and performance tuning.\u003c\/p\u003e\u003ch3\u003eWhen to Replace\u003c\/h3\u003e\u003cp\u003eInspect your roller weights every 1,000 miles for signs of wear. Look for flat spots or a decrease in top speed, which indicate it may be time for a replacement. Keeping your weights in good condition is key to maintaining 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\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eThese roller weights are compatible with a variety of scooters powered by the 139QMB \/ GY6 50-80cc engine platform:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGenuine Scooter Co.: Buddy 50, RoughHouse 50, Rattler 50, Black Cat 50\u003c\/li\u003e\n\u003cli\u003eHonda: Ruckus 50, Metropolitan 50 (pre-2011), Elite 50, Dio (AF25, AF27, AF28)\u003c\/li\u003e\n\u003cli\u003eYamaha: Zuma 50 (2-stroke), Vino 50, Jog 50\u003c\/li\u003e\n\u003cli\u003eChinese \/ Import: All 139QMB \/ GY6 50cc–80cc engines (TaoTao, CSC Go, etc.)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNot sure it fits? Contact us with your scooter's make, model and year and we'll confirm the fit before you order.\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":"Magic Cars","offers":[{"title":"5G","offer_id":52800358482151,"sku":"25-914689","price":17.0,"currency_code":"USD","in_stock":true},{"title":"6G","offer_id":52800358514919,"sku":"25-914690","price":17.0,"currency_code":"USD","in_stock":true},{"title":"7G","offer_id":52800358547687,"sku":"25-914691","price":17.0,"currency_code":"USD","in_stock":true},{"title":"8G","offer_id":52800358580455,"sku":"25-914692","price":17.0,"currency_code":"USD","in_stock":true},{"title":"9G","offer_id":52800358613223,"sku":"25-914693","price":17.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2245\/9711\/files\/performance-roller-weights-16x13mm-50cc-139qmb-gy6-50-80cc-1.jpg?v=1791665719","url":"https:\/\/www.magiccars.com\/products\/performance-roller-weights-16x13mm-50cc-139qmb-gy6-50-80cc","provider":"MagicCars","version":"1.0","type":"link"}