15-22 Yamaha R1/M Drive Systems RSX-R 520 Rear Sprocket
Drive Systems Superlite RSX-R Series Black Hard Anodized Aluminum Rear Race Sprocket Superlite RSX-R Series alloy race sprockets are manufactured to be extremely light yet durable for big horsepower applications Same sprocket used on high horsepower factory race bikes Exclusive tooth profile for extended mileage output Black hard anodized 7075-T6 aluminum material with PTFE Coating for less friction Average weight per sprocket is 9 ounces or less...