Designed and manufactured in Japan

Designed and manufactured in Japan

Designed and manufactured in Japan

Designed and manufactured in Japan

High quality OEM replacement cam chain tensioner assemblyLasts longer than OEM units (which are prone to premature wear issues)Highly recommended for use with Koso big bore kits

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...

Average tensile strength of 6,800 lbs

Suitable for weekend warriors the MXZ chain features high-quality pins, bushings and rollers for maximum durability.

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...

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

Almost any small motorcycle can now benefit from EK's race-proven product line. EK's standard non-sealed chains are manufactured to meet or exceed strict quality control requirements. EK's commitment to providing a top-quality product at a reasonable...