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Shimano UN55 Square Taper English Threaded Bottom Bracket

Shimano UN55 Square Taper English Threaded Bottom Bracket
$23.49 - $29.99
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
110mm / English / Square Taper / 68mm 689228778887 EBBUN55B10 BBS3072618D
107mm / Italian / Square Taper / 70mm 689228778788 EBBUN55I07 SHI39105267B
110mm / English / Square Taper / 73mm 689228778825 EBBUN55C10 BBS30615609D
113mm / English / Square Taper / 73mm 689228778740 EBBUN55C13 BBS23989296M
115mm / English / Square Taper / 68mm 689228778894 EBBUN55B15 BBS30103215D
118mm / English / Square Taper / 68mm 689228778795 EBBUN55B18 EBBUN55B18
118mm / English / Square Taper / 73mm 689228778733 EBBUN55C18 BBS30584599D
122.5mm / English / Square Taper / 68mm 689228778870 EBBUN55B22 BBS30671481D
122.5mm / English / Square Taper / 73mm 689228778863 EBBUN55C22 BBS30917593D
127mm / English / Square Taper / 68mm 689228778764 EBBUN55B27 BBS30809642D

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