Shimano UN55 Square Taper English Threaded Bottom Bracket

Shimano UN55 Square Taper English Threaded Bottom Bracket
$23.39 - $27.99
Please select options
This item is not permitted to be shipped, however it can be purchased online and picked up at your convenience.
Add to Wish List


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 SHI302849327
70 x 113mm 689228778856 EBBUN55I13
70 x 118mm 689228778849 EBBUN55I18
70 x 122.5mm 689228778832 EBBUN55I22
73 x 107mm 689228778726 EBBUN55C07 BBS23307923M
73 x 110mm 689228778825 EBBUN55C10 BBS23583632M
73 x 113mm 689228778740 EBBUN55C13 BBS23636672M
73 x 118mm 689228778733 EBBUN55C18 BBS23158141M
73 x 122.5mm 689228778863 EBBUN55C22 BBS23313923M
68 x 110mm 689228778887 EBBUN55B10 BBS23821659M
68 x 113mm 689228778757 EBBUN55B13 BBS23856155M
68 x 115mm 689228778894 EBBUN55B15 BBS23752455M
68 x 118mm 689228778795 EBBUN55B18 BBS23236087M
68 x 122.5mm 689228778870 EBBUN55B22 BBS23954959M
68 x 127mm 689228778764 EBBUN55B27 BBS23266418M
70 x 107mm 689228778788 EBBUN55I07
70 x 110mm 689228778771 EBBUN55I10


Read 0 Reviews

Write a Review


by PowerReviews