RK HEAVY-DUTY CHAINS (MXZ/MXZ4) RK GB420 MXZ X 120 LINKS

Flexible steel construction with sponge roller coasters and buses designed for continuous motorcyclists with hot air treated high performance and durability characteristics of all components, and oversized alloy pins for added strength MXZ4 is the lightest and strongest MX chain on the market with an impressive tensile strength and a weight of only 2.89 lb.Ideal for professional level from 80 cc to 500cc open class racing chains include clip connecting link GB 420 mxz–made for the serious motocross racer for street bikes up to to the street bikes up 150CC and dirt bikes up to 125cc maximum tensile strength of 5000 lbs.GB 428 MXZ–For street bikes up to 250CC and dirt bikes up to 125cc maximum tensile strength of 5800 lbs.GB 520 MXZ4–Works MX Race Chain for 125cc to 500CC applications maximum tensile strength of 9000 LBs.Wear life Index of 300 Heavy-Duty Chains（MXZ/MX4）Gold 420 MXz HIPC chain rk gb420 mXz × 120 links