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 than RK Standard Chain.

415 Sprint Racing Chain Series Features RK's proprietary Ultra Thin U Seal Rings. U-Rings have a seal thickness less than 50% of the common O-ring seal, making it possible to design a Sealed Chain with the weight of a Non-Sealed Chain.

Hyper-performance chain-RK's latest technology. Specifically designed for today's heavy, high horsepower bikes and extended swingarms. Reinforced components made of the finest materials and RK's original XW-Ring for maximum strength and wear-life.

Hyper-performance chain-RK's latest technology. Specifically designed for today's heavy, high horsepower bikes and extended swingarms. Reinforced components made of the finest materials and RK's original XW-Ring for maximum strength and wear-life.

Rivet-type connecting link for 520ZXW chains.

The RK MRU U-Ring Chain features a proprietary ultra-thin seal (U-Rings) where the thickness of the seal is less than 50% of the most common O-ring seal. This allowed RK to design a sealed chain with the same weight as a non-sealed chain. The MRU...

The RK MRU U-Ring Chain features a proprietary ultra-thin seal (U-Rings) where the thickness of the seal is less than 50% of the most common O-ring seal. This allowed RK to design a sealed chain with the same weight as a non-sealed chain.

RK ZXW Series were developed to meet the spec of the latest models of extreme superbike 1000cc and above. RK ZXW series features RK's only technology of XW-Ring, which has 2 lubrication pools and 3 contact lips, a triple barrier structure to further seal...

Rivet-style connecting link for 630GSV chains.

Features XW type seals, which provide better internal lubrication sealing for extended chain life.

Features XW type seals, which provide better internal lubrication sealing for extended chain life.

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 help protect against high speed abrasion and prevent...