Shimano UN55 Square Taper English Threaded Bottom Bracket
$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 |
|---|---|---|---|
| 107mm / English / Square Taper / 68mm | 689228778801 | EBBUN55B07 | 210000001349 |
| 110mm / English / Square Taper / 68mm | 689228778887 | EBBUN55B10 | 210000001358 |
| 110mm / English / Square Taper / 73mm | 689228778825 | EBBUN55C10 | 210000010030 |
| 113mm / Italian / Square Taper / 70mm | 689228778856 | EBBUN55I13 | 210000001364 |
| 122.5mm / Italian / Square Taper / 70mm | 689228778832 | EBBUN55I22 | 210000001363 |