bicycle hubs 1.high quality,competitive price 2.have own factory 3.delivery fast 4.the professional and skilfull bicycle hubsMaterial:One -piece cold forged alloy hubSurface:CNC Cutting ,sliver or color optionalSpoke holes:28H,36H x14G,13GAlex;S45C,3/8"Ocer-lock nut dimensions:100OT'Y:50 N.W /G.W: 21.9/22.7KGOuter package:(37x28.5x21.5) cm