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
$34.99
Spindle:
Square Taper
Please select options Unavailable
The manufacturer does not permit this item to be shipped, however it can be purchased online and picked up at our store. Bicycles may require assembly - we will notifiy you as soon as they are ready. Please call 623-412-3150 with any questions. Please bring a valid ID and the Credit Card you used to purchase the item(s) when you come to pick them up.

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
107mm / English / Square Taper / 68mm 689228778801 EBBUN55B07 210000006528
107mm / English / Square Taper / 73mm 689228778726 EBBUN55C07 10342
110mm / English / Square Taper / 68mm 689228778887 EBBUN55B10 7072
107mm / Italian / Square Taper / 70mm 689228778788 EBBUN55I07
110mm / English / Square Taper / 73mm 689228778825 EBBUN55C10 210000007914
113mm / English / Square Taper / 68mm 689228778757 EBBUN55B13 7916
113mm / English / Square Taper / 73mm 689228778740 EBBUN55C13 210000018320
115mm / English / Square Taper / 68mm 689228778894 EBBUN55B15 210000006880
110mm / Italian / Square Taper / 70mm 689228778771 EBBUN55I10
118mm / English / Square Taper / 68mm 689228778795 EBBUN55B18 1516
118mm / English / Square Taper / 73mm 689228778733 EBBUN55C18 210000001524
122.5mm / English / Square Taper / 68mm 689228778870 EBBUN55B22 210000006740
113mm / Italian / Square Taper / 70mm 689228778856 EBBUN55I13
122.5mm / English / Square Taper / 73mm 689228778863 EBBUN55C22 1542
127mm / English / Square Taper / 68mm 689228778764 EBBUN55B27 10340
115mm / Italian / Square Taper / 70mm 689228778818 EBBUN55I15
118mm / Italian / Square Taper / 70mm 689228778849 EBBUN55I18
122.5mm / Italian / Square Taper / 70mm 689228778832 EBBUN55I22

Reviews