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 racing chains are the strongest in their class giving you the best value-performance rating of any MX racing chain in the world today. With a maximum tensile strength rated at 5000 foot pounds and weighing in at only 1.76 pounds, the GB420MXZ is ideal for professional level 50cc to 125cc open class racing. Pin length in mm: 15.7mm. Maximum wear life index: 300. Maximum tensile in pounds/feet: 5000 pounds/feet. Master link type: clip. Weight in pounds per 100 links: 1.76 pounds. Maximum cc: 150cc street/125cc off-road. 24.0 links per foot. 12.7mm pin to pin center. 000 miles of street riding or one year of off-road use..
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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 racing chains are the strongest in their class giving you the best value-performance rating of any MX racing chain in the world today
With a maximum tensile strength rated at 5000 foot pounds and weighing in at only 1.76 pounds, the GB420MXZ is ideal for professional level 50cc to 125cc open class racing
