DID is the original equipment manufacturer for many Japanese and European brands. Leading racing teams in street and off-road sports rely on DID technology. DID 428VX: The development of the 428VX is based on DID's many years of experience in MotoGP and meets even the highest demands through the use of patented X-rings. Compared to the V series, which is equipped with an O-ring, the 428VX has greater strength and increased wear resistance. - Long service life and low friction thanks to the patented X-ring DIVISION: 428 LENGTH: 60 STEPS RETAINER: X-RING TYPE: VX VERSION: OPEN TENSILE STRENGTH (KG): 3360 KG CONTINUOUS INDEX: 2700 HOOK TYPE: CLIP CHAIN BY STEP: 748.00.55 SUITABLE CLIP HITCH: 748.00.57 SUITABLE SOLID RIVET HOOK: 748.00.59 SUITABLE HOLLOW RIVET HOOK: 748.00.58