Shimano UN55 Square Taper English Threaded Bottom Bracket
$25.99
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 / 68mm | 689228778757 | EBBUN55B13 | BBS23441006M |
| 115mm / English / Square Taper / 68mm | 689228778894 | EBBUN55B15 | BBS23181883M |
| 122.5mm / English / Square Taper / 68mm | 689228778870 | EBBUN55B22 | BBS23994235M |