The Reinforced Heavy Duty Chain for Motocross.
RK GB520KXZ Series is designed for motocross racer, lighter weight
but stronger chain compares to Heavy Duty Chain.
RK GB520KXZ features special alloy pins with RK Special HCR Treatment (High Tech Chromium Carbide Layered Pins) for better wear resistance.
Excellent quality and cost performance for motocross riders.
Tested and developed with top MXGP & MX2 teams!