Seller notes

RK Racing Chain GB420MXZ-80 (420 Series) Gold 80 Link Heavy Duty MX/SX Racing Non O-Ring Chain with Connecting Link Description and features GB420MXZ chains are made for the serious motocross racer looking for the lightest, strongest non O-ring chain. GB420MXZ chains feature chrome-moly steel construction with seamless rollers and bushings, and oversized special alloy pins for added strength. All components are heat-treated using RK's exclusive HIT (Heat Induction Transfer) process. GB420MXZ rac...

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