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Save the date and join us for our Grand Re-Opening on Sunday, August 1st from 3-7pm. We’ll be giving away adult (and kid) beverages while taking donations to support Bikes for Humanity PDX and Sunnyside Environmental School. The party will feature music from the Mike Danner Trio, Smak Dab’s food truck, and games for the kids––plus lots of swag from Kona, Marin, Salsa, Surly, and Jamis. We can’t wait to hang out!! 

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Shimano UN55 Square Taper English Threaded Bottom Bracket

Shimano UN55 Square Taper English Threaded Bottom Bracket
$26.00 - $30.00
Model:
English
Spindle:
Square Taper
Please select options
This is not an item we ship, but it can be purchased online and picked up at your convenience. For more information, please get in touch.

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 210000023407
113mm / English / Square Taper / 68mm 689228778757 EBBUN55B13 210000001005
113mm / English / Square Taper / 73mm 689228778740 EBBUN55C13 210000024168
115mm / English / Square Taper / 68mm 689228778894 EBBUN55B15 210000003458
118mm / English / Square Taper / 68mm 689228778795 EBBUN55B18 210000004426
118mm / English / Square Taper / 73mm 689228778733 EBBUN55C18 210000019685
122.5mm / English / Square Taper / 68mm 689228778870 EBBUN55B22 210000003418
127mm / English / Square Taper / 68mm 689228778764 EBBUN55B27 210000003420

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