Skip to main content

Shimano UN55 Square Taper English Threaded Bottom Bracket

Shimano UN55 Square Taper English Threaded Bottom Bracket
$25.99 - $35.00
Spindle:
Square Taper
Please select options

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 210000019938
113mm / English / Square Taper / 68mm 689228778757 EBBUN55B13 210000023108
113mm / English / Square Taper / 73mm 689228778740 EBBUN55C13 210000019800
110mm / Italian / Square Taper / 70mm 689228778771 EBBUN55I10 210000064268
118mm / English / Square Taper / 68mm 689228778795 EBBUN55B18 210000022726
122.5mm / English / Square Taper / 68mm 689228778870 EBBUN55B22 210000014080
122.5mm / English / Square Taper / 73mm 689228778863 EBBUN55C22 210000039932
127mm / English / Square Taper / 68mm 689228778764 EBBUN55B27 210000020751
115mm / Italian / Square Taper / 70mm 689228778818 EBBUN55I15 210000019922
122.5mm / Italian / Square Taper / 70mm 689228778832 EBBUN55I22 210000068018

Reviews