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Shimano UN55 Square Taper English Threaded Bottom Bracket

Shimano UN55 Square Taper English Threaded Bottom Bracket
$24.99 - $29.99
Length: Select length
Model: English
Spindle: Square Taper
Width: 68mm
Please select options Unavailable
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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 CR5401
113mm / English / Square Taper / 68mm 689228778757 EBBUN55B13 CR5402
118mm / English / Square Taper / 68mm 689228778795 EBBUN55B18 CR5404
122.5mm / English / Square Taper / 68mm 689228778870 EBBUN55B22 CR5405