Skip to main content

Shimano UN55 Square Taper English Threaded Bottom Bracket

Shimano UN55 Square Taper English Threaded Bottom Bracket
$29.99 - $34.99
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 210000101978
110mm / English / Square Taper / 73mm 689228778825 EBBUN55C10 210000101974
113mm / English / Square Taper / 73mm 689228778740 EBBUN55C13 210000101972
115mm / English / Square Taper / 68mm 689228778894 EBBUN55B15 210000093246
110mm / Italian / Square Taper / 70mm 689228778771 EBBUN55I10 210000103786
118mm / English / Square Taper / 73mm 689228778733 EBBUN55C18 210000100948
113mm / Italian / Square Taper / 70mm 689228778856 EBBUN55I13 210000109894
115mm / Italian / Square Taper / 70mm 689228778818 EBBUN55I15 210000101976
118mm / Italian / Square Taper / 70mm 689228778849 EBBUN55I18 210000102956

Reviews