{"product_id":"dr-pulley-16x13-sliding-roller-weights-performance-cvt-1200-1102-4g","title":"Dr. Pulley 16x13 Sliding Roller Weights - Performance CVT","description":"\u003ch2\u003eDr. Pulley Sliding Weights (16x13) – Performance CVT Tuning\u003c\/h2\u003e\u003cp\u003eUpgrade your CVT system with \u003cstrong\u003eDr. Pulley Sliding Roller Weights\u003c\/strong\u003e. Unlike traditional round weights, these uniquely shaped sliders allow the variator to open wider for increased top-end speed while providing a more aggressive response off the line.\u003c\/p\u003e\u003cp\u003eCrafted from a proprietary self-lubricating nylon composite, these weights are designed for maximum longevity, high-temperature resistance, and reduced friction.\u003c\/p\u003e\u003ch3\u003eKey Performance Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigher Top Speed:\u003c\/strong\u003e The sliding shape allows the variator to travel further than standard rollers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates Flat Spots:\u003c\/strong\u003e Provides a smoother, more consistent power band.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong-Lasting Durability:\u003c\/strong\u003e Specialized nylon material reduces wear on both the weights and the variator ramp.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelf-Lubricating:\u003c\/strong\u003e Designed to protect your variator's inner surfaces and prevent \"flat spots.\"\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eModel Fitment\u003c\/h3\u003e\u003cp\u003eThis 16x13mm set is a direct fit for \u003cstrong\u003e50cc and 80cc 4-Stroke (139QMB)\u003c\/strong\u003e engines, as well as several popular name-brand 50cc scooters:\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMajor Brand Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Scooter Co:\u003c\/strong\u003e Buddy 50, RoughHouse 50, Rattler 50, Black Duck 50\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHonda:\u003c\/strong\u003e Ruckus 50 (NPS50), Metropolitan (CHF50 - 2002-2012)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYamaha:\u003c\/strong\u003e C3 (XF50), Vino 50 (4-Stroke), Zuma 50F (4-Stroke)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKymco:\u003c\/strong\u003e Agility 50, People 50, Super 8 50 (4-Stroke)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eChinese\/Import Brand Fitment (139QMB Engines):\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTaoTao:\u003c\/strong\u003e ATM50-A1, Pony 50, Thunder, VIP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWolf Brand Scooters:\u003c\/strong\u003e RX-50, Islander, Lucky, Blaze\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIce Bear:\u003c\/strong\u003e Maddog (50cc), PMZ50 series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBintelli:\u003c\/strong\u003e Breeze, Havoc, Scorch, Sprint\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlso Fits:\u003c\/strong\u003e ZNEN, Jonway, Roketa, Peace Sports, and many more.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003e139QMB-based 50cc \/ 80cc engines with the following engine codes:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable style=\"width: 87.0908%;\" height=\"100\" width=\"463\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e139QMA\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e139QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e1P39QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e1P39QMA-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eYN139QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eJJ1P39QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e139FMA-2\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eBD1P39QMB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eBN139QMB\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003e147QMD\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eOther QMA models\u003c\/td\u003e\n\u003ctd style=\"width: 24.6905%;\"\u003eOther QMB models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eDon't see your engine listed? If the engine code includes \"QM\" or \"FM\", and engine displacement is between 49-80cc, this part is compatible with your vehicle.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eWeight Selection Guide\u003c\/h3\u003e\u003cp\u003eChanging your slider weight significantly alters your scooter's performance:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLighter (4.0g - 5.5g):\u003c\/strong\u003e Best for quick acceleration and hill climbing. Runs at higher RPMs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard (6.0g - 7.5g):\u003c\/strong\u003e The \"sweet spot\" for daily commuting and balanced performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavier (8.0g - 9.5g):\u003c\/strong\u003e Best for higher top speeds and lower RPM cruising on flat roads.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 16mm (Diameter) x 13mm (Width)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 6 pieces per set\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-temp, low-friction nylon composite\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Codes:\u003c\/strong\u003e 139QMA, 139QMB, 1P39QMB, 1P39QMA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"color: #d9534f;\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Performance tuning parts are intended for racing and off-road use. Professional installation and belt inspection are recommended when changing weights.\u003c\/p\u003e\u003cp\u003eMade in Taiwan\u003c\/p\u003e\u003cp\u003eOriginal Parts For Scooters SKU 169-217-4g\u003c\/p\u003e","brand":"Dr. Pulley","offers":[{"title":"Default Title","offer_id":47671277060261,"sku":"1200-1102 4G","price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/2627\/1141\/files\/1200-1102_a_21912639-9e26-4983-930f-3e8a722affc7.jpg?v=1774953281","url":"https:\/\/classicscootersusa.com\/products\/dr-pulley-16x13-sliding-roller-weights-performance-cvt-1200-1102-4g","provider":"Classic Scooters USA","version":"1.0","type":"link"}