{"product_id":"rfx-aluminum-rear-sprocket-49-tooth-for-yamaha-black-finish","title":"RFX Aluminum Rear Sprocket 49 Tooth for Yamaha – Black Finish","description":"\u003cp\u003eUpgrade your motorcycle's drivetrain with the RFX FXRS 31-49 99BK aluminum rear sprocket designed specifically for Yamaha bikes. Crafted from CNC-machined 7075 aerospace aluminum, this sprocket offers exceptional strength and durability while maintaining a lightweight profile for optimized performance. The sleek black anodized and polished finish provides a factory-inspired look that enhances your bike's aesthetic appeal. \u003cbr\u003e \u003cbr\u003e This sprocket features laser-etched RFX branding for a touch of style and authenticity. Strengthening gussets are incorporated into the design to reinforce structural integrity and ensure reliable operation under demanding riding conditions. Chamfered weight-reducing cutouts not only contribute to a lighter overall weight but also improve heat dissipation for prolonged sprocket life. Mud clearing grooves are strategically designed to prevent debris buildup, extending the lifespan of both the sprocket and the chain. \u003cbr\u003e \u003cbr\u003e Suitable for riders seeking a high-performance, durable, and visually appealing upgrade, this rear sprocket seamlessly combines functionality with aesthetics. Its precision engineering ensures smooth power transfer and longevity, making it an excellent choice for competitive riding or daily use. The RFX FXRS 31-49 99BK is engineered to withstand the rigors of off-road and street riding, providing consistent performance that meets the demands of serious motorcyclists.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eLaser etched RFX logo for authenticity and style\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 enhance structural integrity\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eChamfered weight-reducing cutouts improve efficiency and heat dissipation\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMud clearing grooves extend sprocket lifespan by preventing debris buildup\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eTwo-tone color anodized and polished finish delivers a factory bike look\u003c\/li\u003e\u003c\/ul\u003e","brand":"RFX","offers":[{"title":"Default Title","offer_id":45191457013955,"sku":"739-7319949BK","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/6052\/2435\/files\/e656-693c26856764d_a8b692a1-a2a2-4336-917d-ef40f0ea6216.png?v=1779576966","url":"https:\/\/kellymotorsport.com\/products\/rfx-aluminum-rear-sprocket-49-tooth-for-yamaha-black-finish","provider":"Kelly Motorsports","version":"1.0","type":"link"}