Shimano UN55 Square Taper English Threaded Bottom Bracket

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 Cr ...(Read More)

Shimano UN55 Square Taper English Threaded Bottom Bracket
$23.39 - $26.00
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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
68 x 107mm 689228778801 EBBUN55B07 25543
70 x 113mm 689228778856 EBBUN55I13
70 x 118mm 689228778849 EBBUN55I18
70 x 122.5mm 689228778832 EBBUN55I22
73 x 107mm 689228778726 EBBUN55C07
73 x 110mm 689228778825 EBBUN55C10
73 x 113mm 689228778740 EBBUN55C13 24168
73 x 118mm 689228778733 EBBUN55C18 19685
73 x 122.5mm 689228778863 EBBUN55C22 5678
68 x 110mm 689228778887 EBBUN55B10 19441
68 x 113mm 689228778757 EBBUN55B13 1005
68 x 115mm 689228778894 EBBUN55B15 3458
68 x 118mm 689228778795 EBBUN55B18 4426
68 x 122.5mm 689228778870 EBBUN55B22 3418
68 x 127mm 689228778764 EBBUN55B27 3420
70 x 107mm 689228778788 EBBUN55I07
70 x 110mm 689228778771 EBBUN55I10