Shimano UN55 Square Taper English Threaded Bottom Bracket

Shimano UN55 Square Taper English Threaded Bottom Bracket
$23.99 - $29.99
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 4536
107mm / English / Square Taper / 70mm 689228778788 EBBUN55I07
107mm / English / Square Taper / 73mm 689228778726 EBBUN55C07 18620
110mm / English / Square Taper / 68mm 689228778887 EBBUN55B10 4923
110mm / English / Square Taper / 70mm 689228778771 EBBUN55I10
110mm / English / Square Taper / 73mm 689228778825 EBBUN55C10 4919
113mm / English / Square Taper / 68mm 689228778757 EBBUN55B13 4915
113mm / English / Square Taper / 70mm 689228778856 EBBUN55I13
113mm / English / Square Taper / 73mm 689228778740 EBBUN55C13 21688
115mm / English / Square Taper / 68mm 689228778894 EBBUN55B15 4925
115mm / English / Square Taper / 70mm 689228778818 EBBUN55I15 21076
118mm / English / Square Taper / 68mm 689228778795 EBBUN55B18 10985
118mm / English / Square Taper / 70mm 689228778849 EBBUN55I18
118mm / English / Square Taper / 73mm 689228778733 EBBUN55C18 4913
122.5mm / English / Square Taper / 68mm 689228778870 EBBUN55B22 4921
122.5mm / English / Square Taper / 73mm 689228778863 EBBUN55C22 4490
127mm / English / Square Taper / 68mm 689228778764 EBBUN55B27 4917

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