alloy bicycle F&R HUB 1.ISO9001:2000 2.Good quality and competitive price 3.Factory of bicycle and parts alloy bicycle F&R HUB1.ISO9001:2000 2.Good quality and competitive price 3.Factory of bicycle and parts4.shell:steel5.Spoke Holes: 28H 36H6.Axle: 3/8" S45C7.O.L.D.(F) 100.(R)126 130 1358.Finish :CP/ED9.bicycle parts:BB axle,BB Cup,Hub,Crank,OPC,Saddle,Brake,Basket,Head parts,Rim,