RK Chain

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.

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

Used by professional SX and MX race teams the MXZ chain features high-quality pins, bushings and rollers for maximum durability. Narrow, lightweight chain with 4-point riveted pins. Longer wear life...

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...

Used by professional SX and MX race teams the MXZ chain features high-quality pins, bushings and rollers for maximum durability. Narrow, lightweight chain with 4-point riveted pins. Longer wear life...

Used by professional SX and MX race teams the MXZ chain features high-quality pins, bushings and rollers for maximum durability. Narrow, lightweight chain with 4-point riveted pins. Longer wear life...

Used by professional SX and MX race teams the MXZ chain features high-quality pins, bushings and rollers for maximum durability. Narrow, lightweight chain with 4-point riveted pins. Longer wear life...

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

RK's XRE series chains are the successor to XSO chains. Compared to XSO, XRE series chains feature a 20% longer wearlife. XRE chains include XW-sealing rings which provide two lubrication pools which...

RK's XRE series chains are the successor to XSO chains. Compared to XSO, XRE series chains feature a 20% longer wearlife. XRE chains include XW-sealing rings which provide two lubrication pools which...

RK's XRE series chains are the successor to XSO chains. Compared to XSO, XRE series chains feature a 20% longer wearlife. XRE chains include XW-sealing rings which provide two lubrication pools which...

520XRU was designed for professional MotoGP racing. Featuring UW-Ring seals, XRU is a lightweight professional racing chain. The UW seals reduce friction while maintaining optimal horsepower delivery...

520XRU was designed for professional MotoGP racing. Featuring UW-Ring seals, XRU is a lightweight professional racing chain. The UW seals reduce friction while maintaining optimal horsepower delivery...

520XRU was designed for professional MotoGP racing. Featuring UW-Ring seals, XRU is a lightweight professional racing chain. The UW seals reduce friction while maintaining optimal horsepower delivery...