RK Rivet type chain hitch 525 XSO 725.06.01

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

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

In RC racing it 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 the O-ring chains. The special shape of the X-ring chain is sealed at four sealing points, the lubricant cannot escape.

In addition, the X-ring is used as an additional lubricant reservoir. Chain life is extended by about 30%. This technique was further developed on the RK XW-Ring chain.

- X-ring chain

- four sealing points

- lubricant cannot escape

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

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