{"product_id":"ncy-performance-roller-weights-16x13-139qmb-gy6-50-80cc-1200-1051-6g","title":"NCY Performance Roller Weights (16x13): 139QMB \u0026 GY6 50-80cc","description":"\u003ch2\u003eOptimize Your CVT: NCY 16x13 Performance Roller Weights\u003c\/h2\u003e\u003cp\u003eFine-tune your scooter's transmission with high-quality \u003cstrong\u003eNCY 16x13 Roller Weights\u003c\/strong\u003e. An essential tuning tool for any CVT system, these rollers allow you to customize your scooter's acceleration and top-speed characteristics. Replacing worn, flat-spotted rollers restores lost performance and dramatically improves fuel efficiency.\u003c\/p\u003e\u003ch3\u003eWhy Choose NCY Rollers?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Tuning:\u003c\/strong\u003e Available in multiple weights (5g–9g) to help you find the \"sweet spot\" between low-end torque and high-end speed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Durability:\u003c\/strong\u003e Manufactured in Taiwan to ISO 9001 standards, ensuring long-lasting performance and resistance to flat-spotting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance Recovery:\u003c\/strong\u003e Eliminates high-revving lag and restores top speed lost to worn-out factory weights.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eDetailed Model Fitment\u003c\/h3\u003e\u003cp\u003eThese 16x13mm rollers are compatible with a wide range of 50cc scooters, including:\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\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 (Tao Tao, CSC Go, etc.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cspan\u003eAlso fits the following popular 50cc Chinese-produced engines with engine serial numbers: \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e139QMA , 139QMB , 1P39QMB , 1P39QMA , 1P39QMA-2, YN139QMB, JJ1P39QMB, 139FMA-2, BD1P39QMB, BN139QMB, LJ139QMB as well as 147QMD (GY6 80cc)\u003c\/span\u003e\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 16mm (Diameter) x 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 Specialized low-friction polymer sleeve with metal core\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 1200-1051\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in Taiwan\u003c\/li\u003e\n\u003c\/ul\u003e\u003cblockquote\u003e\n\u003cstrong\u003eMaintenance Tip:\u003c\/strong\u003e Roller weights should be inspected every 1,000 miles. If you notice flat spots or a decrease in top speed, it’s time for a replacement set to keep your CVT shifting smoothly.\u003c\/blockquote\u003e\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; color: black; mso-font-kerning: 0pt; mso-ligatures: none;\"\u003eAbout NCY:\u003cspan style=\"mso-spacerun: yes;\"\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/b\u003e\u003cspan style=\"mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; color: black; mso-font-kerning: 0pt; mso-ligatures: none;\"\u003eNCY is the premier provider of aftermarket performance components for leading scooter brands, including Honda, Yamaha, Genuine, Vespa, Piaggio, SYM, Lance, KYMCO, and GY6\/QMB-powered scooters. Established in 1997, NCY adheres to rigorous quality standards and holds ISO 9001 certification.\u003cb\u003e\u003cspan style=\"mso-spacerun: yes;\"\u003e \u003c\/span\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; color: black; mso-font-kerning: 0pt; mso-ligatures: none;\"\u003eNCY performance parts are made in Taiwan.\u003c\/span\u003e\u003c\/p\u003e\u003cp class=\"MsoNormal\" style=\"margin-bottom: 0in;\"\u003e\u003ca href=\"https:\/\/www.p65warnings.ca.gov\/sites\/default\/files\/downloads\/factsheets\/motor_vehicle_parts_fact_sheet.pdf\"\u003e\u003cb\u003e\u003cspan style=\"font-size: 12.0pt; line-height: 107%;\"\u003eWARNING: California’s Proposition 65\u003c\/span\u003e\u003c\/b\u003e\u003c\/a\u003e\u003cb\u003e\u003cu\u003e\u003cspan style=\"font-size: 12.0pt; line-height: 107%;\"\u003e\u003c\/span\u003e\u003c\/u\u003e\u003c\/b\u003e\u003c\/p\u003e","brand":"NCY","offers":[{"title":"Default Title","offer_id":47670914842789,"sku":"1200-1051 6G","price":18.0,"currency_code":"USD","in_stock":false}],"url":"https:\/\/classicscootersusa.com\/products\/ncy-performance-roller-weights-16x13-139qmb-gy6-50-80cc-1200-1051-6g","provider":"Classic Scooters USA","version":"1.0","type":"link"}