Shimano UN55 Square Taper English Threaded Bottom Bracket
$29.99 - $34.99
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 / Italian / Square Taper / 70mm | 689228778788 | EBBUN55I07 | 210000101978 |
| 110mm / English / Square Taper / 73mm | 689228778825 | EBBUN55C10 | 210000101974 |
| 113mm / English / Square Taper / 73mm | 689228778740 | EBBUN55C13 | 210000101972 |
| 115mm / English / Square Taper / 68mm | 689228778894 | EBBUN55B15 | 210000093246 |
| 110mm / Italian / Square Taper / 70mm | 689228778771 | EBBUN55I10 | 210000103786 |
| 118mm / English / Square Taper / 73mm | 689228778733 | EBBUN55C18 | 210000100948 |
| 113mm / Italian / Square Taper / 70mm | 689228778856 | EBBUN55I13 | 210000109894 |
| 115mm / Italian / Square Taper / 70mm | 689228778818 | EBBUN55I15 | 210000101976 |
| 118mm / Italian / Square Taper / 70mm | 689228778849 | EBBUN55I18 | 210000102956 |