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
68 x 107mm 689228778801 EBBUN55B07 SHI32155714B
73 x 118mm 689228778733 EBBUN55C18 SHI32972623B
68 x 110mm 689228778887 EBBUN55B10 BBS2467831M
68 x 118mm 689228778795 EBBUN55B18 BBS24955866M
68 x 122.5mm 689228778870 EBBUN55B22 SHI3258736B
68 x 127mm 689228778764 EBBUN55B27 SHI32101331B