Renthal 397U-520 Ultralight rear sprocket

Elevate your ride with the RENTHAL 397U-520 Ultralight rear sprocket. Engineered for peak performance, its ultralight design minimizes rotational mass for enhanced suspension, sharper handling, and quicker acceleration. Precision CNC machining ensures perfect fit and maximum power transfer. The hard anodized finish and self-cleaning mud grooves provide exceptional durability and longevity. This aluminum chainwheel is trusted by champions and designed for elite aftermarket wheels like BST Carbon, Marchesini, and OZ Racing. Experience championship-proven technology and a competitive edge