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Shimano UN55 Square Taper English Threaded Bottom Bracket

Shimano UN55 Square Taper English Threaded Bottom Bracket
$23.99 - $34.99
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 210000014800
107mm / English / Square Taper / 73mm 689228778726 EBBUN55C07 210000040341
110mm / English / Square Taper / 68mm 689228778887 EBBUN55B10 210000008514
107mm / Italian / Square Taper / 70mm 689228778788 EBBUN55I07 210000100169
110mm / English / Square Taper / 73mm 689228778825 EBBUN55C10 210000040340
113mm / English / Square Taper / 68mm 689228778757 EBBUN55B13 210000007515
113mm / English / Square Taper / 73mm 689228778740 EBBUN55C13 210000019960
115mm / English / Square Taper / 68mm 689228778894 EBBUN55B15 210000020378
110mm / Italian / Square Taper / 70mm 689228778771 EBBUN55I10 210000052559
118mm / English / Square Taper / 68mm 689228778795 EBBUN55B18 210000012310
118mm / English / Square Taper / 73mm 689228778733 EBBUN55C18 210000019399
122.5mm / English / Square Taper / 68mm 689228778870 EBBUN55B22 210000021538
122.5mm / English / Square Taper / 73mm 689228778863 EBBUN55C22 210000019567
127mm / English / Square Taper / 68mm 689228778764 EBBUN55B27 210000026309
118mm / Italian / Square Taper / 70mm 689228778849 EBBUN55I18 210000118069