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Shimano UN55 Square Taper English Threaded Bottom Bracket

Shimano UN55 Square Taper English Threaded Bottom Bracket
$23.39 - $29.99
Spindle:
Square Taper
Please select options Unavailable
Bikes require 2-3 business days for assembly before pickup. ALL SE Bikes are subject to an additional assembly/destination charge payable upon pick-up. Parts and accessories are usually -though not always- available for immediate curbside pickup. Questions: laurelcyclery@gmail.com or text 510-328-1158.

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 210000000496
107mm / English / Square Taper / 73mm 689228778726 EBBUN55C07 210000000510
110mm / English / Square Taper / 68mm 689228778887 EBBUN55B10 210000000498
107mm / Italian / Square Taper / 70mm 689228778788 EBBUN55I07
110mm / English / Square Taper / 73mm 689228778825 EBBUN55C10 210000000504
113mm / English / Square Taper / 68mm 689228778757 EBBUN55B13 210000002233
113mm / English / Square Taper / 73mm 689228778740 EBBUN55C13 210000000508
115mm / English / Square Taper / 68mm 689228778894 EBBUN55B15 500
110mm / Italian / Square Taper / 70mm 689228778771 EBBUN55I10 210000002199
118mm / English / Square Taper / 68mm 689228778795 EBBUN55B18 502
118mm / English / Square Taper / 73mm 689228778733 EBBUN55C18 210000000506
122.5mm / English / Square Taper / 68mm 689228778870 EBBUN55B22 2235
113mm / Italian / Square Taper / 70mm 689228778856 EBBUN55I13 2157
122.5mm / English / Square Taper / 73mm 689228778863 EBBUN55C22 210000002521
127mm / English / Square Taper / 68mm 689228778764 EBBUN55B27 210000005471
115mm / Italian / Square Taper / 70mm 689228778818 EBBUN55I15 210000002195
118mm / Italian / Square Taper / 70mm 689228778849 EBBUN55I18 210000002197
122.5mm / Italian / Square Taper / 70mm 689228778832 EBBUN55I22 210000009080

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