Skip to main content

Shimano UN55 Square Taper English Threaded Bottom Bracket

Shimano UN55 Square Taper English Threaded Bottom Bracket
$23.99 - $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 / English / Square Taper / 68mm 689228778801 EBBUN55B07 SHI37995558M
107mm / English / Square Taper / 73mm 689228778726 EBBUN55C07
110mm / English / Square Taper / 73mm 689228778825 EBBUN55C10
113mm / English / Square Taper / 73mm 689228778740 EBBUN55C13
118mm / English / Square Taper / 73mm 689228778733 EBBUN55C18 BBS30401923D
122.5mm / English / Square Taper / 73mm 689228778863 EBBUN55C22 BBS30119819D
127mm / English / Square Taper / 68mm 689228778764 EBBUN55B27
115mm / Italian / Square Taper / 70mm 689228778818 EBBUN55I15
118mm / Italian / Square Taper / 70mm 689228778849 EBBUN55I18

Reviews