Shimano UN55 Square Taper English Threaded Bottom Bracket
$23.49 - $29.99
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 |
|---|---|---|---|
| 113mm / English / Square Taper / 73mm | 689228778740 | EBBUN55C13 | BBS23595868M |
| 118mm / English / Square Taper / 68mm | 689228778795 | EBBUN55B18 | BBS23566865M |
| 118mm / English / Square Taper / 73mm | 689228778733 | EBBUN55C18 | BBS23265359M |
| 122.5mm / English / Square Taper / 68mm | 689228778870 | EBBUN55B22 | BBS23198830M |
| 122.5mm / English / Square Taper / 73mm | 689228778863 | EBBUN55C22 | BBS23150104M |