MTB Road Bike Bottom Bracket Integrated Hollow Sealed Bearings Replacement Purple

Description:

This integrated hollow bottom bracket threaded BB made of Aluminum alloy shell, light weight, high strength.
Polished surface and CNC machined technology mean exceptional durability.
Sealed rubber gasket rings spring inside; prevent water and dust, super waterproof.
Suitable for 68-73mm bottom bracket shell.
Inner diameter 24mm and smooth rotation, easy installation and operation.

Specification:

Material: Aluminum alloy
Size: 68-73mm/ 2.67-2.87 inch
Inner Diameter: 24mm/0.94 inch

Package Includes:

1 Piece Bike Bottom Bracket