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Shimano UN55 Square Taper English Threaded Bottom Bracket

Shimano UN55 Square Taper English Threaded Bottom Bracket
$42.99
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 / Italian / Square Taper / 70mm 689228778788 EBBUN55I07 CAR4999449E
113mm / English / Square Taper / 73mm 689228778740 EBBUN55C13 CAR7849799K
118mm / English / Square Taper / 68mm 689228778795 EBBUN55B18 BBS159110748
118mm / English / Square Taper / 73mm 689228778733 EBBUN55C18 BBS156293588
122.5mm / English / Square Taper / 73mm 689228778863 EBBUN55C22 BBS156153102

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