Shimano UN55 Square Taper English Threaded Bottom Bracket

Shimano UN55 Square Taper English Threaded Bottom Bracket
This item is currently not available.

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
73 x 122.5mm 689228778863 EBBUN55C22 1058
68 x 110mm 689228778887 EBBUN55B10 6370
68 x 113mm 689228778757 EBBUN55B13 1054
68 x 115mm 689228778894 EBBUN55B15 6371
68 x 122.5mm 689228778870 EBBUN55B22 1056
68 x 127mm 689228778764 EBBUN55B27 1057