Shimano BB-UN300 Square Spindle Bottom Brackets
Features:
- Fits JIS square-taper cranksets
- Crankarm fixing bolts sold separately
- Hollow spindle
Specifications:
- Defined Color: Black
- Bottom Bracket Shell I.D.: 1.37
- Spindle Interface Type: Square Taper JIS
- BB Shell Width (mm): 68
- BB Shell Width (mm)_10: 68
- BB/Frame Interface: English
- BB/Frame Interface_11: English
- Spindle Length: 113
