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Shimano UN55 Square Taper English Threaded Bottom Bracket

Shimano UN55 Square Taper English Threaded Bottom Bracket
$25.00
Model:
English
Spindle:
Square Taper
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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
107mm / English / Square Taper / 68mm 689228778801 EBBUN55B07 2056
110mm / English / Square Taper / 68mm 689228778887 EBBUN55B10 870
110mm / English / Square Taper / 73mm 689228778825 EBBUN55C10 917
113mm / English / Square Taper / 68mm 689228778757 EBBUN55B13 916
113mm / English / Square Taper / 73mm 689228778740 EBBUN55C13 914
122.5mm / English / Square Taper / 68mm 689228778870 EBBUN55B22 867
122.5mm / English / Square Taper / 73mm 689228778863 EBBUN55C22 865
127mm / English / Square Taper / 68mm 689228778764 EBBUN55B27 866