RK GB520 MXU Chain

The RK MXU is one of the lightest sealed-ring Motocross chains available on the market today. Made for the professional Motocross racer, the GB520MXU is the next generation of Motocross racing chains featuring RK’s UW-sealing rings. MXU chains are designed to provide the most consistent power delivery and increased chain life. All components are heat treated using RK’s exclusive HIT (Heat Induction Transfer) process. MXU has a maximum tensile strength rated at 9,000 foot pounds, weighs a mere 3.0 lbs for 100 links and can handle any MX race application from 125cc to 500cc.

• Made for the serious Motocross / off-road racer, who values every ounce of performance
• GB520MXU chains feature chromoly steel construction with seamless rollers and bushings with oversized special alloy pins for added strength
• All components are heat-treated using RK’s exclusive HIT (Heat Induction Transfer) process
• 9,000 pound tensile strength
• Includes clip style master link
• UW-Ring sealing technology
• Includes clip style master link
• Suitable for professional level 125cc to 500cc open class off-road racing

Specifications

Part Numbers Specification