1,High friction coefficient motorcycle hub 2,OEM manufacturer 3,Motorcycle brake manufacturer 4,ISO9001:2008 Certificate Model YJ100-11MaterialADC12/Y113ColorOptionalAxle hole φ12Wheel spokes hole size 4.5Brake drum dia φ110Suitable for motorcycles Wei lai zhi xing motorcycle hub YJ100-11 front hub motorcycle hub YJ100-11 front hub