{"product_id":"rfx-aluminum-rear-sprocket-48-teeth-for-yamaha-blue-finish-part-fxrs-37-48-99bu","title":"RFX Aluminum Rear Sprocket 48 Teeth for Yamaha - Blue Finish, Part FXRS 37-48 99BU","description":"\u003cp\u003eEnhance your motorcycle's performance and style with the RFX Aluminum Rear Sprocket, designed specifically for Yamaha models. Crafted from high-quality 7075 aerospace aluminum, this sprocket offers exceptional strength and durability while reducing weight for improved handling and acceleration. The 48-tooth configuration provides optimal gear ratio for a balanced blend of power delivery and cruising ability. Its CNC-machined construction ensures precise fit and finish, making it a reliable upgrade for serious riders. The sprocket features chamfered weight-reducing cutouts that decrease rotational mass, contributing to quicker throttle response and smoother ride. Strengthening gussets are integrated to withstand the rigors of aggressive riding, ensuring long-lasting performance under demanding conditions. Mud clearing grooves are strategically placed to extend sprocket life by preventing debris buildup, which can cause premature wear. The striking two-tone finish combines anodized blue with polished accents, delivering a factory-inspired aesthetic that complements your bike’s overall look. This sprocket is easy to install and designed to withstand harsh riding environments, making it an excellent choice for off-road, motocross, or street riding enthusiasts. Whether you’re upgrading for performance or appearance, the RFX FXRS 37-48 99BU rear sprocket provides a perfect balance of durability, functionality, and style.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eLaser etched RFX logo for authentic branding\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCNC machined from 7075 aerospace aluminum for strength and lightweight performance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eStrengthening gussets to enhance durability under stress\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eChamfered weight-reducing cutouts for improved acceleration\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMud clearing grooves to extend sprocket life by preventing debris buildup\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eTwo-tone color anodized and polished finish for a factory bike look\u003c\/li\u003e\u003c\/ul\u003e","brand":"RFX","offers":[{"title":"Default Title","offer_id":45191454654659,"sku":"739-7379948B","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/6052\/2435\/files\/eda0-693c264cbd478.png?v=1779576223","url":"https:\/\/kellymotorsport.com\/products\/rfx-aluminum-rear-sprocket-48-teeth-for-yamaha-blue-finish-part-fxrs-37-48-99bu","provider":"Kelly Motorsports","version":"1.0","type":"link"}