{"product_id":"dr-pulley-sliding-weights-19x155-vespa-piaggio-50-cc-1200-1108","title":"Dr. Pulley 19x15.5 Sliding Roller Weights Vespa\/Piaggio 50c","description":"\u003ch2\u003eUnleash Your CVT: Dr. Pulley 19x15.5 Sliding Weights\u003c\/h2\u003e\u003cp\u003eRevolutionize your scooter's performance with \u003cstrong\u003eDr. Pulley Sliding Weights\u003c\/strong\u003e. Unlike traditional round rollers that can flat-spot and limit your gear range, these patented \"sliding\" weights feature a unique aerodynamic shape that allows the variator to open wider and close further. For Vespa and Piaggio 50cc riders, this means a dual-benefit: faster \"hole-shot\" acceleration off the line and a noticeable increase in top-end speed.\u003c\/p\u003e\u003ch3\u003ePerformance \u0026amp; Engineering Advantages\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncreased Gear Range:\u003c\/strong\u003e The sliding geometry allows the belt to sit lower in the pulley at start-up and higher at top speed, effectively expanding your transmission's reach.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelf-Lubricating SL-9 Composite:\u003c\/strong\u003e Manufactured from a high-tech nylon material that is heat-resistant and low-friction, preventing the \"flat-spotting\" common in OEM rollers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Tuning:\u003c\/strong\u003e Available in a wide range of gram weights to perfectly match your riding style—whether you need more climbing torque or a higher cruise velocity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong-Life Durability:\u003c\/strong\u003e Dr. Pulley weights are engineered to outlast standard weights by up to 3x, maintaining consistent performance throughout their service life.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eComprehensive Fitment Guide\u003c\/h3\u003e\u003cp\u003eThese 19x15.5mm weights are the definitive performance upgrade for \u003cstrong\u003eVespa \u0026amp; Piaggio 4-Stroke 50cc\u003c\/strong\u003e engines:\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eBrand\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\u003eVespa\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePrimavera 50, Sprint 50, LX 50, S 50, ET2 (2T)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiaggio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLiberty 50, Fly 50, Typhoon 50, LT 50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAprilia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSR50 Motard, Scarabeo 50 (4T)\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 19mm x 15.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Specialized SL-9 Self-Lubricating Nylon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Patented Sliding Geometry\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Choose from 5g-9.5g\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e Set of 6 Weights\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003cblockquote\u003e\n\u003cstrong\u003eMechanic's Note:\u003c\/strong\u003e Most 50cc riders find the \"sweet spot\" by going 0.5g to 1.0g lighter than their stock weights.\u003c\/blockquote\u003e\u003cblockquote\u003e\n\u003cstrong\u003eInstallation Tip:\u003c\/strong\u003e Direction matters! Ensure the \"open\" side of the weight is facing the correct direction in the variator ramp to avoid damaging the sliders.\u003c\/blockquote\u003e\u003cblockquote\u003e\n\u003cstrong\u003ePro Tip:\u003c\/strong\u003e For the ultimate performance combo, pair these weights with a \u003cstrong\u003e\u003ca href=\"https:\/\/www.scooterworks.com\"\u003eBando Kevlar Belt\u003c\/a\u003e\u003c\/strong\u003e to handle the increased gear range without slipping!\u003c\/blockquote\u003e\u003cp style=\"font-size: 0.85em; color: #666;\"\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e 1200-1108, SR1915\u003cbr\u003e\u003cstrong\u003eVendor:\u003c\/strong\u003e Dr. Pulley\u003c\/p\u003e","brand":"Dr. Pulley","offers":[{"title":"5.0G","offer_id":46756771823896,"sku":"1200-1108 5.0G","price":40.0,"currency_code":"USD","in_stock":true},{"title":"5.5G","offer_id":46756771856664,"sku":"1200-1108 5.5G","price":40.0,"currency_code":"USD","in_stock":true},{"title":"6.0G","offer_id":46756771889432,"sku":"1200-1108 6.0G","price":40.0,"currency_code":"USD","in_stock":true},{"title":"6.5G","offer_id":46756771922200,"sku":"1200-1108 6.5G","price":40.0,"currency_code":"USD","in_stock":true},{"title":"7.0G","offer_id":46756771954968,"sku":"1200-1108 7.0G","price":40.0,"currency_code":"USD","in_stock":true},{"title":"7.5G","offer_id":46756771987736,"sku":"1200-1108 7.5G","price":40.0,"currency_code":"USD","in_stock":true},{"title":"8 G","offer_id":46756772020504,"sku":"1200-1108 8 G","price":40.0,"currency_code":"USD","in_stock":true},{"title":"8.5 G","offer_id":46756772053272,"sku":"1200-1108 8.5 G","price":40.0,"currency_code":"USD","in_stock":true},{"title":"9 G","offer_id":46756772086040,"sku":"1200-1108 9 G","price":40.0,"currency_code":"USD","in_stock":true},{"title":"9.5 G","offer_id":46756772118808,"sku":"1200-1108 9.5 G","price":40.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1200-1108_7fa373ac-463b-4ba0-90e2-0fd502c89648.jpg?v=1695271659","url":"https:\/\/www.scooterworks.com\/products\/dr-pulley-sliding-weights-19x155-vespa-piaggio-50-cc-1200-1108","provider":"Scooterworks USA, LLC","version":"1.0","type":"link"}