DONSP1986 English Square BB Bike Bottom Bracket Set,Square Taper, Aluminum (Black-68x122mm)
- Aluminum sheath,cold-forged steel cups, Boron Axel/spindle, Sealed bearings.
- For bike type: mountain bike, road racing bike etc. Spindle Interface: square taper..
- Package includes:1*Sealed bearing bottom bracket including cups+2 waterproof screw.