Heavy duty lightweight mini-works racing chains were developed from the same advanced alloy material and manufacturing technology as the 520MXZ. 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!
Tensile Strength: 5,000 lbs
Max CC Rating: 150 Street 125cc Dirt
Master Link Type Included: Clip