{"product_id":"polini-16x13-roller-weight-tuning-kit-4-5g-to-6g-146-46","title":"Polini 16x13 Roller Weight Tuning Kit - 4.5G to 6G","description":"\u003cp\u003eDial in your CVT performance with the \u003cstrong\u003ePolini 16x13 Roller Weight Tuning Kit\u003c\/strong\u003e — a comprehensive four-weight set that lets you test and optimize your scooter's acceleration, top speed, and power band without committing to a single weight. Whether you're chasing snappier off-the-line pull or a higher cruising RPM, this kit gives you the data to find your sweet spot.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour Weight Options in One Kit:\u003c\/strong\u003e Includes 4.5g, 5g, 5.5g, and 6g rollers — covering the full tuning range for most 50cc CVT setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Set Per Weight:\u003c\/strong\u003e Each weight size includes 12 shells and 6 rollers, giving you a full replacement set to test each configuration properly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e16x13mm Roller Dimensions:\u003c\/strong\u003e Precision-matched to factory variator roller pockets on compatible 50cc engines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTuning Use Only:\u003c\/strong\u003e These kits are designed for performance testing and tuning — not intended as permanent replacements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolini Quality:\u003c\/strong\u003e Manufactured by Polini, a trusted Italian performance brand with decades of two-wheel motorsport engineering.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoller Dimensions:\u003c\/strong\u003e 16 x 13mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight Options:\u003c\/strong\u003e 4.5g, 5g, 5.5g, 6g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity Per Weight:\u003c\/strong\u003e 12 shells + 6 rollers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e CVT Variator Tuning\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 146-46\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Polini\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eVehicle Compatibility\u003c\/h3\u003e\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background-color: #f8f8f8;\"\u003e\n\u003cth style=\"text-align: left; padding: 10px; border: 1px solid #ddd;\"\u003eMake \/ Model\u003c\/th\u003e\n\u003cth style=\"text-align: left; padding: 10px; border: 1px solid #ddd;\"\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eHonda Metropolitan CHF50\/P\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2003–2012 (Metropolitan I \u0026amp; II)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eHonda Ruckus NPS50\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAll years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eHonda Elite 50\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e1994–2001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eKymco ZX50 \/ Agility 50\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAll years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eSYM DD50\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAll years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eChinese QMB139 50cc \/ 49cc\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eVarious makes and models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.p65warnings.ca.gov\" target=\"_blank\"\u003eCalifornia Prop 65 Warning\u003c\/a\u003e\u003c\/p\u003e","brand":"Polini","offers":[{"title":"Default Title","offer_id":48112379789499,"sku":"146-46","price":47.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0719\/1340\/6651\/files\/450963.jpg?v=1784314107","url":"https:\/\/thriftyscooters.com\/products\/polini-16x13-roller-weight-tuning-kit-4-5g-to-6g-146-46","provider":"Thrifty Scooters","version":"1.0","type":"link"}