Chain RK 420 MRU Sealed U-Ring

Transmission chain RK U-Ring sealed pitch 420, suitable for road bikes and ATV's low performance (up to 125cc). MRU series features RK’s only technology of Ultra Thin Seal, U-Rings, where the thickness of seal is less than 50% of the common seal, make it possible to design a Sealed Chain with the weight of a Non-Sealed Chain. 4 times longer chain life than non-sealed 420 chain. Minimum maintenance needed, excellent total cost performance for business usage.

NOTES: comes with rivet connecting link (CLF)