Traditional round O-ring chain that's a convenient blend of performance and affordability. RK's 520SO Chains are suitable for low- to mid-range cc motorcycles that came from the factory with sealed chains.

RK heavy duty non-sealed chains perfect for low displacement motorcycles that did not come with factory sealed chains. If the motorcycle came from the factory with a sealed chain, then RK recommends always replacing it with a sealed chain.

Solid rollers and bushings with quad-riveted pins for extended wear-resistance. Special coating treatment for 40% increase in chain life.

Solid rollers and bushings with quad-riveted pins for extended wear-resistance. Special coating treatment for 40% increase in chain life.

All V3 2.0 chains use x-ring seals to reduce friction, and drilled links to reduce rotating mass.

All V3 2.0 chains use x-ring seals to reduce friction, and drilled links to reduce rotating mass.

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...

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...

All V3 2.0 chains use x-ring seals to reduce friction, and drilled links to reduce rotating mass.

Enhance your motorcycle's performance and style with the EK 525 ZVX3 Chain. Engineered to outperform OEM chains, the ZVX3 minimizes friction between plates, delivering more horsepower directly to your rear wheel. Thanks to precise tolerances, this chain...

All V3 2.0 chains use x-ring seals to reduce friction, and drilled links to reduce rotating mass.

The EK Z3D Series Chain sets a high standard in chain design, combining aesthetics with top-tier performance. Each outer plate features an eye-catching 3D curved shape and is forged for exceptional stiffness, ensuring maximum power delivery to the rear...