RK Chain

Used by professional SX and MX race teams the MXZ chain features high-quality pins, bushings and rollers for maximum durability.

When conditions turn muddy, sandy, wet, or if riders just want a long lasting racing chain, RK offers a sealed supercross, motocross and off-road racing chain called MXU. RK's GB520MXU features...

Cannot be used with the CRF250R/X due to clearance

Advanced RK XW-ring offers three lubrication barriers to reduce friction and heat to offer longer wear resistance.

Anti-stretch chromium pin treatment 10% higher tensile strength

Heavy duty MXZ Mini Racing chains made for mini MX and SX racing. MXZ chains feature Chromoly steel construction with seamless rollers and bushings, and oversized special alloy pins for added...