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Shimano UN55 Square Taper English Threaded Bottom Bracket

Shimano UN55 Square Taper English Threaded Bottom Bracket
$23.39 - $29.99
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This item is not permitted to be shipped, however it can be purchased online and picked up at your convenience.
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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
68 x 107mm 689228778801 EBBUN55B07 BBS29467385D
73 x 107mm 689228778726 EBBUN55C07 BBS29484589D
73 x 110mm 689228778825 EBBUN55C10 BBS29117733D
73 x 113mm 689228778740 EBBUN55C13 BBS29913774D
73 x 118mm 689228778733 EBBUN55C18 BBS29525493D
73 x 122.5mm 689228778863 EBBUN55C22 BBS29705092D
68 x 113mm 689228778757 EBBUN55B13 BBS29492239D
68 x 118mm 689228778795 EBBUN55B18 BBS29351987D
68 x 122.5mm 689228778870 EBBUN55B22 BBS29348640D
68 x 127mm 689228778764 EBBUN55B27 BBS29714829D


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