Shimano BB-UN300 Square Spindle Bottom Brackets
Product Details:
- Crankarm fixing bolts sold separately
- Fits JIS square-taper cranksets
- Hollow spindle
Specifications:
- BB Shell Width (mm): 68
- BB/Frame Interface: English
- Bottom Bracket Shell I.D.: 1.37
- Defined Color: Black
- Spindle Interface Type: Square Taper JIS
- Spindle Length: 113
- UPC: 192790619323
- MPN: EBBUN300B13X