Shimano BB-UN300 Square Spindle 68mm Bottom Brackets.
Shimano Part number EBBUN300B22X.
Features:
- Fits JIS square-taper cranksets
- Crankarm fixing bolts sold separately
Specifications:
Frame Interface: BSA/English Threaded
Spindle Interface: Square Taper JIS
Bottom Bracket Shell ID: 1.37
Shell Width: 68mm
Spindle Length: 122.5mm
Weight: TBD
Click HERE to download User's Manual.
