1,High friction coefficient 2,OEM manufacturer 3,Motorcycle brake manufacturer 4,ISO9001:2008 Certificate Model YJ90-2MaterialADC12/Y113ColorOptionalAxle hole φ12Chain wheel specification 420,428No. of gears 36,37,40,41Suitable for motorcycles JD90,Dayang, Tai Honda Yinjiao Brake Company always sticks to principles of 'Be honest first before making achievements.' It guarantees to provide quality ...