Shimano UN55 Square Taper English Threaded Bottom Bracket
$27.99 - $30.00
Details
Shimano's BB-UN55 Square Spindle Bottom Brackets are the unofficial standard for English-threaded cartridge bottom brackets. Quality, value, and durability come together to keep you cranking for many, many miles.
- Fits JIS Square-Taper Cranksets
- Hollow spindle
- Crankarm fixing bolts not included
Part Numbers
| Option | UPC | MPN | Store SKU |
|---|---|---|---|
| 107mm / English / Square Taper / 73mm | 689228778726 | EBBUN55C07 | 210000010228 |
| 107mm / Italian / Square Taper / 70mm | 689228778788 | EBBUN55I07 | 210000045547 |
| 110mm / English / Square Taper / 73mm | 689228778825 | EBBUN55C10 | 210000040015 |
| 110mm / Italian / Square Taper / 70mm | 689228778771 | EBBUN55I10 | 210000045548 |
| 113mm / Italian / Square Taper / 70mm | 689228778856 | EBBUN55I13 | 210000045549 |
| 118mm / English / Square Taper / 68mm | 689228778795 | EBBUN55B18 | 210000008934 |
| 118mm / Italian / Square Taper / 70mm | 689228778849 | EBBUN55I18 | 210000010734 |
| 122.5mm / Italian / Square Taper / 70mm | 689228778832 | EBBUN55I22 | 210000045550 |