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

Shimano UN55 Square Taper English Threaded Bottom Bracket

Shimano UN55 Square Taper English Threaded Bottom Bracket
$25.99 - $34.99
Length: Select length
Model: Select model
Width: Select width
Spindle: Square Taper
Please select options Unavailable
This item is not permitted to be shipped. However, it can be purchased online and picked up, or local delivery can be arranged. In some cases, we can ship the item to your local bike shop. Please email info@ridebrooklynny.com for more information.

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 / 73mm 689228778825 EBBUN55C10 210000064671
118mm / English / Square Taper / 73mm 689228778733 EBBUN55C18 210000018130
113mm / Italian / Square Taper / 70mm 689228778856 EBBUN55I13 210000080683

Reviews