{"product_id":"roller-weight-set-prima-20-x-12-mm-yamaha-12g","title":"Prima Roller Weight Set 20x12mm | Yamaha Zuma, Vino 125","description":"\u003cp\u003eDial in your scooter's CVT performance with Prima 20x12mm precision roller weights. The weight of your rollers determines when your variator shifts — swapping them lets you prioritize off-the-line snap or highway cruising efficiency. Black composite outer shell with aluminum inner bore insert, precision-manufactured for balanced rotation and smooth variator movement. Available in 9g through 15g; 6 weights per set.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWeight Selection Guide\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLight weights (9g–10g):\u003c\/strong\u003e Best for quick acceleration, stop-and-go city riding, and improved hill climbing. May reduce top-end speed slightly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy weights (12g–15g):\u003c\/strong\u003e Ideal for long-distance commuting and maximizing top-end speed by keeping engine RPMs lower at high velocity.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTuning tip:\u003c\/strong\u003e Riders over 200 lbs or with a stock motor generally see the best results with lighter weights. If you have installed a big bore kit (BBK), heavier weights are often required to keep the engine from over-revving past its new power band.\u003c\/p\u003e","brand":"Prima","offers":[{"title":"9g","offer_id":67991342711105,"sku":"ROLL20X12 9.0 G","price":11.0,"currency_code":"USD","in_stock":true},{"title":"10g","offer_id":67991342743873,"sku":"ROLL20X12 10.0 G","price":11.0,"currency_code":"USD","in_stock":true},{"title":"11g","offer_id":67991342776641,"sku":"ROLL20X12 11.0 G","price":11.0,"currency_code":"USD","in_stock":true},{"title":"12g","offer_id":67964575875393,"sku":"ROLL20X12 12.0 G","price":11.0,"currency_code":"USD","in_stock":true},{"title":"13g","offer_id":67991342809409,"sku":"ROLL20X12 13.0 G","price":11.0,"currency_code":"USD","in_stock":true},{"title":"14g","offer_id":67991342842177,"sku":"ROLL20X12 14.0 G","price":11.0,"currency_code":"USD","in_stock":true},{"title":"15g","offer_id":67991342874945,"sku":"ROLL20X12 15.0 G","price":11.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/az-p012-6400-0-ROLL20X12_9.jpg?v=1792557863","url":"https:\/\/azscooterparts.com\/products\/roller-weight-set-prima-20-x-12-mm-yamaha-12g","provider":"AZScooterParts","version":"1.0","type":"link"}