Features: * new and high quality *Built-pressed into the bearing structure,loose beads rotate more smoothly than the more ,longer life than the outboard bearing,prolonged abnormal noise will not be riding. *Dust and waterproof design and . *No abnormal noise Super Run High-end integrated structure *Double waterproof design bearing dust plus wiper reverse threads. *Sub-structure there is a gap assembly process will fall apart stuck riding life soon. *Common seal axial structure without dust ring. *Cartridge Sealed Bearing with Aluminium sheath *Great length for Fixed Gear Mountain Bikes Specifications: *Color: Blue+Sliver+Black (As Pictures Show) *Finish: Phosphated cups anodized sheath *Five-way:For 68MM frame five,five-tooth pattern frame specifications for BCI.37-24T *Optional Dimension:68x103mm,68x107mm,68x110.5mm,68x113mm,68x116mm,68x118mm,68x120mm,68x122.5mm,68x124.5mm,68x126mm,68x127.5mm(Approx.) *Shell width: 68mm(Approx.) * Material:Aluminum Package Contents : 1*Bottom Bracket 2*Bolts Note:The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. _x000D_ _x000D_