Sugino RD Messenger Track Fixed Gear Crankset BLACK 165mm x 46T x 1/8in P.C.D. : 130mm Crank Length : 165mm B.B.Axle : 103mm(CBBAL-103) *Not included Compatibility : 1/2"x1/8"chain *Not included Surface Finish : Crank/Chainring Anodized