RK is the leading manufacturer of drive chains for motorcycles in Japan.
For more than 40 years, RK supplies all the major Japanese motorcycle manufacturers as original equipment.
Even in racing RK is the first choice of many teams in MotoGP, motocross, or even in the Paris-Dakar Rally.
RK GXW: The high stress in modern road machines led to the development of the XW-ring chains.
The XW-ring seal has six points and two stabilizers which prevent rotation of the ring in extreme conditions.
Thus, the loss of lubricant is avoided under all conditions
The service life is extended by up to 50% compared to an O-ring chain.