Skip to main content
  1. Home
  2. Bicycling Catalog
  3. Parts
  4. Bottom Brackets
  5. Shimano

Shimano UN55 Square Taper English Threaded Bottom Bracket - 2019

Shimano UN55 Square Taper English Threaded Bottom Bracket
$34.99
Model:
English
Spindle:
Square Taper
Please select options
KICKSTANDS NOT INCLUDED WITH BIKES-ADD IN CART. Due to our dealer agreements, this item is not permitted to be shipped directly to you on orders placed online. However it can be purchased online and be picked up at one of our six convenient locations(Belle View is temporarily closed). Please have your Photo ID and the Credit Card you made the purchase with ready to verify your order.

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
110mm / English / Square Taper / 68mm 689228778887 EBBUN55B10 BBS23876141M
110mm / English / Square Taper / 73mm 689228778825 EBBUN55C10 BBS23976348M
113mm / English / Square Taper / 68mm 689228778757 EBBUN55B13 BBS23400651M
115mm / English / Square Taper / 68mm 689228778894 EBBUN55B15 BBS23622037M
118mm / English / Square Taper / 68mm 689228778795 EBBUN55B18 BBS2353018M
118mm / English / Square Taper / 73mm 689228778733 EBBUN55C18 BBS23112837M
122.5mm / English / Square Taper / 68mm 689228778870 EBBUN55B22 BBS2399549M
122.5mm / English / Square Taper / 73mm 689228778863 EBBUN55C22 BBS23677946M

Reviews