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Shimano UN55 Square Taper English Threaded Bottom Bracket

Shimano UN55 Square Taper English Threaded Bottom Bracket
$23.49 - $24.99
Length: Select length
Model: Select model
Width: Select width
Spindle: Square Taper
Please select options Unavailable
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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 BBS29354626D
110mm / English / Square Taper / 68mm 689228778887 EBBUN55B10 BBS29162149D
107mm / Italian / Square Taper / 70mm 689228778788 EBBUN55I07 SHI50339165T
113mm / English / Square Taper / 68mm 689228778757 EBBUN55B13 BBS29628139D
115mm / English / Square Taper / 68mm 689228778894 EBBUN55B15 BBS29931167D
110mm / Italian / Square Taper / 70mm 689228778771 EBBUN55I10 SHI50386349T
118mm / English / Square Taper / 68mm 689228778795 EBBUN55B18 BBS29335545D
122.5mm / English / Square Taper / 68mm 689228778870 EBBUN55B22 BBS29564704D
113mm / Italian / Square Taper / 70mm 689228778856 EBBUN55I13 SHI50933658T
127mm / English / Square Taper / 68mm 689228778764 EBBUN55B27 BBS29153175D
115mm / Italian / Square Taper / 70mm 689228778818 EBBUN55I15 SHI5035612T
118mm / Italian / Square Taper / 70mm 689228778849 EBBUN55I18 SHI50373852T
122.5mm / Italian / Square Taper / 70mm 689228778832 EBBUN55I22 SHI51404358T