The Choice of Champion! RK Racing Chains applied RK's only technology of Ultra Thin Seal, UW-Ring, m...

The Choice of Champion! RK Racing Chains applied RK's only technology of Ultra Thin Seal, UW-Ring, make possible to design a Sealed Chain with similar weight of a Non-Sealed Chain. With the Triple Barrier Structure, it has less friction compare standard Sealed Chain for the best performance! http://global.rk-japan.co.jp #rktakasagochain #rkchain #rkchains #motorcyclechain #chain #rkjapan #rkeurope #rkmalaysia #rkexcel #motocrosschain #endurochain #uwringchain #uwsealedchain #sealedchain #520MXU #520XRU #520RUWR #520TRU #520MRU #415HRU