RK GB415HRU was developed together with Top Moto3 teams, to be only 6.9g/link, the lightest 415 sealed chain available in market today, while ensuring best performance on the race track.

RK GB415HRU features RK’s only technology of U Ring, make possible to design a Sealed Chain with the weight of a Non-Sealed Chain.  Application of Seal Rings ensures the high efficient horsepower transmission from the engine to the rear wheel throughout the chain life.

RK GB415HRU is compatible as a downsizing choice for 150cc Motorcycle.