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All accessories can be installed before pickup!

Shimano UN55 Square Taper English Threaded Bottom Bracket

Shimano UN55 Square Taper English Threaded Bottom Bracket
$23.49 - $29.99
Model:
English
Spindle:
Square Taper
Please select options
This item is only available in our store. For more information contact us at 763.420.8878

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
107mm / English / Square Taper / 70mm 689228778788 EBBUN55I07
107mm / English / Square Taper / 73mm 689228778726 EBBUN55C07
110mm / English / Square Taper / 68mm 689228778887 EBBUN55B10 BBS30526611D
110mm / English / Square Taper / 70mm 689228778771 EBBUN55I10
110mm / English / Square Taper / 73mm 689228778825 EBBUN55C10
113mm / English / Square Taper / 68mm 689228778757 EBBUN55B13
113mm / English / Square Taper / 70mm 689228778856 EBBUN55I13
113mm / English / Square Taper / 73mm 689228778740 EBBUN55C13 BBS30645183D
115mm / English / Square Taper / 68mm 689228778894 EBBUN55B15 BBS30311142D
115mm / English / Square Taper / 70mm 689228778818 EBBUN55I15 BBS30667590D
118mm / English / Square Taper / 68mm 689228778795 EBBUN55B18 BBS30901835D
118mm / English / Square Taper / 70mm 689228778849 EBBUN55I18
118mm / English / Square Taper / 73mm 689228778733 EBBUN55C18 BBS30794221D
122.5mm / English / Square Taper / 68mm 689228778870 EBBUN55B22 BBS30479876D
122.5mm / English / Square Taper / 70mm 689228778832 EBBUN55I22
122.5mm / English / Square Taper / 73mm 689228778863 EBBUN55C22 BBS3078437D
127mm / English / Square Taper / 68mm 689228778764 EBBUN55B27 BBS30232769D
127mm / English / Square Taper / 70mm
127mm / English / Square Taper / 73mm

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