{"product_id":"renthal-rear-sprocket-aluminum-47-tooth-for-yz-65-model-121u-420-47gbsi","title":"RENTHAL Rear Sprocket - Aluminum - 47 Tooth for YZ 65 - Model 121U-420-47GBSI","description":"Rear Sprocket - Aluminum - 47 Tooth - Silver - YZ 65\n\u003cp\u003eThe RENTHAL 121U-420-47GBSI rear sprocket is engineered for high-performance motocross applications, specifically designed for the YZ 65. Crafted from high-strength 7075-T6 aluminum, this sprocket offers a significant weight reduction of approximately 33% compared to traditional steel options, which enhances overall bike agility and acceleration. Its CNC-machined construction ensures precise fit and durability, providing consistent power transfer and reliable performance under demanding riding conditions. The ultra-light design not only reduces unsprung weight but also helps improve handling and responsiveness during aggressive riding sessions. Featuring a specially designed tooth profile, this sprocket ensures smooth chain engagement, reducing wear and noise while extending the lifespan of both the sprocket and chain. The silver finish adds a sleek aesthetic to your bike's drivetrain, complementing other performance parts and maintaining a professional appearance. Whether you're racing or trail riding, this sprocket is built to deliver optimal power transfer and longevity, making it a preferred choice for serious riders seeking durability and weight savings. Installation is straightforward, and its compatibility with the YZ 65 makes it a reliable upgrade for enhancing your bike’s overall performance and efficiency.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eCNC-machined construction for precise fit and durability\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMade from high-strength 7075-T6 aluminum for lightweight performance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eApproximate 33% weight reduction compared to steel sprockets\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSpecial tooth profile for smooth chain engagement and longer wear\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSleek silver finish for aesthetic appeal\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDesigned specifically for Yamaha YZ 65 models\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eReduces unsprung weight to improve handling and acceleration\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eOptimized for high-performance motocross riding\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eEasy installation with reliable performance over time\u003c\/li\u003e\u003c\/ul\u003e","brand":"RENTHAL","offers":[{"title":"Default Title","offer_id":45191578517699,"sku":"12112061","price":99.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/6052\/2435\/files\/184664.png?v=1779587985","url":"https:\/\/kellymotorsport.com\/products\/renthal-rear-sprocket-aluminum-47-tooth-for-yz-65-model-121u-420-47gbsi","provider":"Kelly Motorsports","version":"1.0","type":"link"}