RK MINI WORKS GB420MXZ CHAIN 130L-CL GOLD GB420MXZ-130

The GB420MXZ and GB428MZX (and NON GOLD 420, 428MXZ) heavy-duty chains are rated up to 125 cc. These lightweight gold mini-works racing chains were developed from the same advanced alloy material and manufacturing technology as the GB520MXZ. Both 420 and 428MXZ Racing Chains are the strongest in their class giving you the best value-performance rating of any MX Racing Chain in the world today! Available in gold or metal finishes.