Shimano UN55 Square Taper English Threaded Bottom Bracket

Shimano UN55 Square Taper English Threaded Bottom Bracket
$39.99
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
73 x 118mm 689228778733 EBBUN55C18 SHI32288154B
68 x 110mm 689228778887 EBBUN55B10 BBS24832028M
68 x 113mm 689228778757 EBBUN55B13 SHI32702860B
68 x 115mm 689228778894 EBBUN55B15 SHI32491504B