Professional Racing Chain for MotoGP and WSBK

• RK GB520XRU is developed for Superbike Road Racing, featuring MotoGP^TM Racing Chain Design Technology, to be only 15.6g/link.
• RK GB520XRU features RK’s only technology of Ultra Thin Seal, UW-Rings, minimizing the chain weight and friction loss possible.
• RK GB520XRU is special chain design for racing purposes, featuring high performance for the best lap time.  GB520XRU is The Choice of Champions, used by International Top Teams racing in  MotoGP^TM , World SBK and British Superbike.