Renthal R3-3 chains are specially developed utilising Renthal?s SRS technology for increased service life.Nitrile Self Regulating Seals (SRSTM) retain a special vacuum injected grease around the critical pin and bush...
RK Racing Chain Series apply RK?s only technology of Ultra Thin Seal, U-Rings or UW-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...