YBR125 motorcycle transmission chain 428H three-piece set, large teeth (center hole 64MM/installation hole distance 80MM), small teeth (06 M4/07 M6 double specifications) +428H chain, perfect match with the whole model of YBR125, no additional accessories; Big tooth 45T, small tooth 14T, chain 118L specification combination, tooth shape and chain mesh gap is accurate, high transmission efficiency, no lag abnormal sound; The size of the tooth is hardened steel, the chain is thickened 428H type, the tooth surface/chain joint is anti-wear, anti-tensile, suitable for long-term high-frequency transmission conditions; Including 06 (M5), 07 (M6) small teeth, covering YBR125 models of different years, one-stop solution to the problem of parts selection; Large tooth belt hollow hole, reduce weight while ensuring structural strength, reduce transmission resistance, improve dynamic response.
