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.

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.

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...

Enhance your motorcycle's performance and style with the EK ZVX3 Chain. This chain reduces friction between each plate, enabling more horsepower to reach your rear wheel directly. Due to precise tolerances between each plate, the power delivery is also...

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...

The EK 520 RRX Chain is optimized for racing, featuring X-type sealing rings that minimize friction and maximize performance.

Twin Power 01-06 Big Twin Except 06 Dyna Primary Chain Adjuster KitThis Part Fits:YearMakeModelSubmodel2001-2006Harley-DavidsonFLHR Road KingBase2001-2006Harley-DavidsonFLHRCI Road King ClassicBase2001-2006Harley-DavidsonFLHRI Road...