Bottom bracketPartial spec
Shimano Shimano BB-UN26
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Overview
- Brand
- Shimano
- Series
- Shimano
- Model
- BB-UN26
- Model number
- BB-UN26
- Type
- Bottom bracket
- Years
- up to 2020
Compatibility
- Spindle
- square_taper
- Bb shell
- bsa_68, bsa_73, italian_70
Specifications
- Threaded
- true
- Right cup
- steel, phosphate coated
- Axle lengths
- MM110, LL113, YL117, 117.5, D-NL122, D-EL127, LL123, 123SP, 130
- Shell widths mm
- 68, 70, 73
- Spindle material
- steel, Bonderlube
- Left adapter material
- resin
Square taper cartridge bottom bracket. Axle table from the 2015-2016 handbook (YL117 comes in 47.5 and 45 mm chainline versions). Already in the 2008 handbook (earliest checked), so the first year is unknown; last listed in 2019-2020. Years are the first and last Shimano specification handbook editions that list this model number (editions checked: 2008 to 2026-2027). Shimano publishes no US price in these documents; bearing material is not stated.
For sale now
None listed right now. Save a search in the app and get told when one appears. Parts are local pickup at launch.