Description:

This Square Tapered Bottom Bracket sealed bearing BB made of carbon steel bearing material- high strength with high loading bearing.
Sealed cartridge and dustproof hex screws provides water resistance and prevents dust for great performance
Carbon steel bearing reduces abrasion, vibration and makes maintain easier and integrated can protects the frame, more power output
Featuring super-accurate bearings and precise threads for smooth operation and improved durability
Suitable for 68mm frame shell and please use professional BB tool for installing and replacing

Specification:

Frame Width: 34.5mm
Length:
110.5mm/4.35inch
116mm/4.57inch
118mm/4.65inch
120mm/4.72inch
122.5mm/4.82inch
126mm/4.96inch
127.5mm/5.02inch

Package Includes:

1 Piece Bike Bottom Bracket