motorcycle drum hub brake 1,High friction coefficient 2,OEM manufacturer 3,Motorcycle brake manufacturer 4,ISO9001:2008 Model YJ70MaterialADC12/Y113ColorOptionalAxle hole φ10Wheel spokes hole size 4.5Brake drum dia φ110Suitable for motorcycles CD70 CD70 motorcycle drum hub brake YJ70 wheel hub with ISO9001:2008 Certificate HOT SALLS