Gb415hru Drive Chain Gold 415 X 120

415 sprint racing chain series features rk’s proprietary ultra thin u seal rings.U-rings have a seal thickness less than 50% of the common o-ring seal, making it possible to design a sealed chain with the weight of a non-sealed chain.Running a sealed chain on race machines can minimize the elongation of the chain, keeping high horsepower transmission efficiency throughout the duration of the race.Hru racing chain series are designed strictly for