... /61mmfork: hi-ten steel, shrinked 19mmhead parts: steel, 8 pcs, 22.2*25.4*27mmB.B. parts: steel cup ... , 5 pcs, 3P axleHandle bar: steel, MTB type bar, 500mm ... black, radiusfront hub: alloy, 3/8*110mm*140mm*32H, KTrear hub: alloy, 3/8*110*170mm*32H, with fixed gear ... KTfreewheel: 16T, full ball, CPchain: KMC, 1/2"*1/8"chain tighter: steel, 2 pcscrank set: steel chainring, 48T ...