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RK is the leading manufacturer of motorcycle drive chains in Japan. RK has been supplying all well-known Japanese motorcycle manufacturers with original equipment for over 40 years.
Even in racing, RK is the first choice of many teams in MotoGP, motocross or even the Paris-Dakar Rally.
RK MRU:
The MRU chain was developed for low displacement motorcycles equipped with a standard unsealed OEM chain.
- U-ring chain
- Lubricant loss is avoided
- Ultra thin sealing ring
- Extremely narrow width
- Up to 100% longer life than standard unsealed chains