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.

All chains are made with Japanese steel and meet all Japanese specs. Japanese quality at a lower price point.

Average tensile strength of 6,800 lbs

Solid rollers, solid bushings and quad riveted pins For extended wear-resistance.

The EK Z3D Series Chain sets a high benchmark for chain design with its blend of striking aesthetics and superior performance. Each outer plate features a 3D curved shape that is not only visually appealing but also engineered for exceptional stiffness...

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

Renthal's R1 Works Chain is a high-strength, non-O-ring chain with excellent impact load resistance designed specifically to withstand the stress found in offroad applications. This chain is the choice where a combination of high-strength, lightweight...

The EK SRX2 Series Chains feature advanced QX-rings that outperform factory O-ring chains. Laboratory tests have demonstrated that QX-rings reduce friction by 40 percent, extending chain lifespan by up to 50 percent compared to traditional O-ring chains...

EK's MXR3D Series Chains combine strength and precision for the utmost durability and flexibility sought after by dirt bike enthusiasts.

Chain and Sprocket Kit includes: 3660-16 front sprocket, 435CK-45 rear sprocket, and 525SX3-114 chain

This Vortex SSA chain and sprocket kit ("Super Street" Aluminum) includes high-performance components designed specifically for your motorcycle. This kit, used particularly in racing and high-speed applications, includes a high-performance x-ring chain...

This Vortex OES chain and sprocket kit (Original Equipment Steel) includes high-performance components designed specifically for your motorcycle. This kit, used particularly in racing and high-speed applications, includes a high-performance x-ring chain...