Shimano
Shimano BB-UN300 Bottom Bracket - English, 73 x 123mm Spindle, Square Taper JIS
MPN: EBBUN300C23X · UPC: 192790622194
$18.00
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Select Option: Shimano BB-UN300 Bottom Bracket - English, 73 x 123mm Spindle, Square Taper JIS
🏪 Free pickup: 26 Essex St (Rear), Andover MA · 978-270-4895
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Shimano BB-UN300 Square Spindle Bottom Brackets
- ✓ Fits JIS square-taper cranksets
- ✓ Crankarm fixing bolts sold separately
- ✓ Hollow spindle
| Bottom Bracket Shell I.D. | 1.37 |
| BB/Frame Interface | English |
| BB Shell Width (mm) | 73 |
| Spindle Interface Type | Square Taper JIS |
| Spindle Length | 123 |
| Defined Color | Black |
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$18.00
In Stock — Ships in 4-9 Days