RK Clip type chain hitch 428XSO 725.07.79

RK is the leading manufacturer of motorcycle drive chains in Japan.

For over 40 years, RK has supplied all renowned Japanese motorcycle manufacturers as original equipment.

Also in racing, RK is the first choice of many teams in MotoGP, motocross or even in the Paris-Dakar Rally.

RK XSO:

This is an improved form of O-ring chains. Thanks to the special shape of the X-rings, the chain is sealed at four sealing points and the lubricant cannot escape.

In addition, the X-ring serves as an additional lubricant reservoir. The useful life of the chain is extended by approximately 30%. This technology was later developed at RK to create the XW-Ring chain.

- X-ring chain

- four sealing points

- Lubricant cannot escape

- Life is extended by 30% compared to O-ring chain

- The further development of the X rings are the XW rings