RKM Series Transmission Chain (Manufacturer Ref: 520-108-CL)
The RK RKM Series chain is a standard transmission chain (M520) designed for small engines up to 250cc. It is intended for riders looking for a robust and reliable part to restore their transmission, suitable for trails, roadsters, touring bikes, vintage machines, as well as sports and supermoto bikes.
- Construction: medium carbon steel alloy links, all components heat treated.
- Treatment: shot-peened components to improve fatigue resistance and wear limits.
- Assembly: riveted axle at four points and rollers for a solid connection between links.
- Attachment: quick-release clip included for easy installation and removal.
- Technical specifications: 108 links, silver colour, weight ≈ 1.49kg/100 links.
Ideal for restoring or completely refurbishing the transmission, this RK chain fits standard M520 sprockets and crowns. As with any transmission, careful installation, correct tension adjustment, and regular lubrication will extend the lifespan of the entire system.