RK Chain GB520MXU

The RK GB520MXU UW-Ring motorcycle chain is a premium 520 pitch off-road racing chain built for riders who demand lightweight strength, low-friction performance, and elite durability from a high-performance drivetrain. Designed for serious motocross, supercross, enduro, and off-road racing applications, the MXU series features RK’s UW-Ring sealing technology to help retain lubrication, reduce friction, and improve wear resistance while keeping weight to a minimum. With an 8,000 lb tensile strength rating, 500cc off-road application range, 70 horsepower rating, and a lightweight 3.04 lb per 100-link construction, the GB520MXU delivers race-focused performance with a premium gold finish. Ideal for KTM, Husqvarna, GasGas, Honda, Yamaha, Kawasaki, and Suzuki off-road motorcycles, this chain is a refined upgrade for riders who want dependable power transfer with a luxury performance aesthetic.