The RK 520MXU is the lightest sealed-ring enduro/motocross chain available in market today, 13.8g/link, only 0.1g/link heavier than RK 520MXZ4 non sealed chain
The MXU chain series is the next generation of enduro/motocross racing chains featuring the RK patented technology of Ultra Thin UW-Rings, which make it possible to design a Sealed Chain with the weight of a Non-Sealed Chain.
UW Seal Rings stop debris and dirt entering the chain rollers which ensures efficient horsepower transmission from the engine to the rear wheel throughout the chain life
- For Enduro & Motocross
- RK UW Seal Ring
- Lightest off-road seal chain
- Use by Graham Jarvis
- Use by Top MXGP teams
