Skip to main content

Covid19 Update: SEE HOW WE ARE OPERATING.
Order processing times may be impacted. CHECK ORDER STATUS ONLINE.

Shimano UN55 Square Taper English Threaded Bottom Bracket

Shimano UN55 Square Taper English Threaded Bottom Bracket
$24.00 - $25.00
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 10308
107mm / English / Square Taper / 73mm 689228778726 EBBUN55C07 55850
110mm / English / Square Taper / 68mm 689228778887 EBBUN55B10 10310
110mm / English / Square Taper / 73mm 689228778825 EBBUN55C10 16036
113mm / English / Square Taper / 73mm 689228778740 EBBUN55C13 55852
115mm / English / Square Taper / 68mm 689228778894 EBBUN55B15 3234
118mm / English / Square Taper / 68mm 689228778795 EBBUN55B18 3212
118mm / English / Square Taper / 70mm 689228778849 EBBUN55I18 119796
118mm / English / Square Taper / 73mm 689228778733 EBBUN55C18 40406
122.5mm / English / Square Taper / 73mm 689228778863 EBBUN55C22 3240

Reviews