Sugino CBB-AL-103 Bottom Bracket.
- Standard JIS square taper to fit the Sugino Messenger arms
- Lightweight aluminum cups, retainers, lockrings, chromoly spindle, shield included (no bolts)
Frame Interface: BSA/English Threaded
Spindle Interface: Square Taper JIS
Bottom Bracket Shell ID: 1.37
Shell Width: 68mm
Spindle Length: 103mm