Skip to main content

 Free Shipping on Orders Over $100! (Bikes on Sale Excluded)

Shimano UN55 Square Taper English Threaded Bottom Bracket

Shimano UN55 Square Taper English Threaded Bottom Bracket
$23.49 - $25.99
Spindle:
Square Taper
Please select options
This item is not permitted to be shipped unassembled, however, it can be purchased online and delivered assembled within 20 miles of our shop free of charge.

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
107mm / English / Square Taper / 73mm 689228778726 EBBUN55C07
110mm / English / Square Taper / 68mm 689228778887 EBBUN55B10 BBS23630487M
107mm / Italian / Square Taper / 70mm 689228778788 EBBUN55I07 SHI50476877T
110mm / English / Square Taper / 73mm 689228778825 EBBUN55C10
113mm / English / Square Taper / 68mm 689228778757 EBBUN55B13 SHI28793908M
113mm / English / Square Taper / 73mm 689228778740 EBBUN55C13
115mm / English / Square Taper / 68mm 689228778894 EBBUN55B15 BBS23682105M
110mm / Italian / Square Taper / 70mm 689228778771 EBBUN55I10 SHI50806877T
118mm / English / Square Taper / 68mm 689228778795 EBBUN55B18 BBS23753457M
118mm / English / Square Taper / 73mm 689228778733 EBBUN55C18
122.5mm / English / Square Taper / 68mm 689228778870 EBBUN55B22 BBS23523658M
113mm / Italian / Square Taper / 70mm 689228778856 EBBUN55I13 SHI50423422T
122.5mm / English / Square Taper / 73mm 689228778863 EBBUN55C22
127mm / English / Square Taper / 68mm 689228778764 EBBUN55B27 BBS23185596M
115mm / Italian / Square Taper / 70mm 689228778818 EBBUN55I15
118mm / Italian / Square Taper / 70mm 689228778849 EBBUN55I18 SHI50185486T
122.5mm / Italian / Square Taper / 70mm 689228778832 EBBUN55I22 SHI51424898T

Reviews