{"product_id":"dr-pulley-20x12-sliding-roller-weights-169-290","title":"Dr. Pulley 20x12 Sliding Roller Weights (Set\/6)","description":"\u003ch2\u003ePerformance Redefined: Dr. Pulley 20x12 Sliders\u003c\/h2\u003e\u003cp\u003eTransform your scooter's power delivery with \u003cstrong\u003eDr. Pulley Sliding Roller Weights, better known as \"Sliders\"\u003c\/strong\u003e. Unlike traditional round weights that roll, these innovative sliders feature a unique wedge shape that \u003cem\u003eslides\u003c\/em\u003e up the variator ramps. This patented movement allows the pulley to open wider for higher top speeds and close tighter for more aggressive take-off acceleration—all while eliminating the \"flat spots\" that plague standard rollers.\u003c\/p\u003e\u003ch3\u003eThe Dr. Pulley Advantage\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroadened Gear Ratios:\u003c\/strong\u003e The unique geometry allows for a lower \"low gear\" and a higher \"high gear,\" maximizing the potential of your 125cc–300cc engine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtreme Durability:\u003c\/strong\u003e Made from a proprietary self-lubricating nylon composite, these weights are engineered to outlast standard rollers by resisting wear and heat deformation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Wear Compensation:\u003c\/strong\u003e U.S. Patent Number 7,276,004 ensures these weights adjust themselves as they age, maintaining consistent performance over thousands of miles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack Pearl Technology:\u003c\/strong\u003e Select sizes (12g) feature the advanced Black Pearl material for even lower friction and superior thermal stability.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eComprehensive Fitment Guide\u003c\/h3\u003e\u003cp\u003eThese 20x12mm weights are the performance standard for \u003cstrong\u003eYamaha and Linhai-based\u003c\/strong\u003e engines:\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eEngine Family\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\u003eYamaha 125cc\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eZuma 125, Vino 125, BWS 125\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eYamaha 250cc\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMorphous 250 (CP250), Majesty 250\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLinhai 260\/300\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVOG 260, Aeolus, various 300cc Chinese Touring Scooters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCustom Builds\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAny CVT using 20x12mm variator ramps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 20mm x 12mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e Set of 6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Self-Lubricating Nylon Composite\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable Weights:\u003c\/strong\u003e 5g through 16g (Select from menu)\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003cblockquote\u003e\n\u003cstrong\u003eMechanic's Note:\u003c\/strong\u003e When installing Dr. Pulley Sliders, \u003cstrong\u003eOrientation is Critical!\u003c\/strong\u003e The \"winged\" part of the slider must face the correct direction in the variator ramp to function.\u003c\/blockquote\u003e\u003cblockquote\u003e\n\u003cstrong\u003eTuning Tip:\u003c\/strong\u003e Because sliders behave more efficiently than rollers, most tuners recommend choosing a weight \u003cstrong\u003e10-15% lighter\u003c\/strong\u003e than your stock round weights for the best overall performance.\u003c\/blockquote\u003e\u003cp style=\"font-size: 0.85em; color: #666;\"\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e 169-290 \u003cbr\u003e\u003cstrong\u003eVendor:\u003c\/strong\u003e Dr. Pulley\u003c\/p\u003e","brand":"Dr. Pulley","offers":[{"title":"15G","offer_id":49986412216600,"sku":"169-290   15G","price":35.0,"currency_code":"USD","in_stock":true},{"title":"14G","offer_id":49986423161112,"sku":"169-290   14G","price":35.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/files\/1200-1117_477741d9-1fbf-482a-af3f-cbe7b8df8d34.webp?v=1766511308","url":"https:\/\/www.scooterworks.com\/products\/dr-pulley-20x12-sliding-roller-weights-169-290","provider":"Scooterworks USA, LLC","version":"1.0","type":"link"}