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St. Helena Cyclery
Napa Valley Velo

Shimano UN55 Square Taper English Threaded Bottom Bracket

Shimano UN55 Square Taper English Threaded Bottom Bracket
$23.49 - $34.99
Model:
English
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 BBS23564964M
107mm / English / Square Taper / 73mm 689228778726 EBBUN55C07 BBS23505401M
110mm / English / Square Taper / 68mm 689228778887 EBBUN55B10 BBS23684059M
115mm / English / Square Taper / 68mm 689228778894 EBBUN55B15 BBS23360669M
118mm / English / Square Taper / 70mm 689228778849 EBBUN55I18 SHI50866467T
118mm / English / Square Taper / 73mm 689228778733 EBBUN55C18 BBS23832085M
122.5mm / English / Square Taper / 68mm 689228778870 EBBUN55B22 SHI32237456B
127mm / English / Square Taper / 68mm 689228778764 EBBUN55B27 BBS23354622M

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