Description:

This Bottom bracket threaded BB made of Aluminum alloy shell, light weight, high strength.
Enhanced treatment can reduce noise, improve rigidity, sealing system easy maintenance lubrication.
Fine thread: thread type lock, strengthen the lateral stability will not loose, and then no abnormal sound.
Sealed rubber gasket rings spring inside; prevent water and dust, super waterproof.
Five-way width: 68mm/73mm thread diameter 34.5mm,Frame thread diameter 34.5mm, shaft diameter 44mm,The inner diameter of the shaft is 24mm/22mm.

Specification:

Material: Aluminum alloy

Package Includes:

1 Piece Bike Bottom Bracket

1 Piece Variable Diameter Ring
3 Pieces Spacers