Shimano UN55 Square Taper English Threaded Bottom Bracket
$25.99 - $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 |
|---|---|---|---|
| 110mm / English / Square Taper / 68mm | 689228778887 | EBBUN55B10 | CAR78249818K |
| 107mm / Italian / Square Taper / 70mm | 689228778788 | EBBUN55I07 | SHI50277606T |
| 115mm / English / Square Taper / 68mm | 689228778894 | EBBUN55B15 | SHI32612613B |
| 110mm / Italian / Square Taper / 70mm | 689228778771 | EBBUN55I10 | SHI50364558T |
| 118mm / English / Square Taper / 68mm | 689228778795 | EBBUN55B18 | CAR7877497K |
| 118mm / English / Square Taper / 73mm | 689228778733 | EBBUN55C18 | SHI32393598B |
| 113mm / Italian / Square Taper / 70mm | 689228778856 | EBBUN55I13 | SHI50461599T |
| 122.5mm / English / Square Taper / 73mm | 689228778863 | EBBUN55C22 | CAR78532353K |
| 127mm / English / Square Taper / 68mm | 689228778764 | EBBUN55B27 | BBS23325231M |
| 118mm / Italian / Square Taper / 70mm | 689228778849 | EBBUN55I18 | SHI50153258T |
| 122.5mm / Italian / Square Taper / 70mm | 689228778832 | EBBUN55I22 | SHI51968008T |