Description
A good quality bottom bracket for Shimano cranksets with sealed bearings for smooth movement and improved strength. The BB-UN55 is a durable, hard-wearing sealed cartridge bottom bracket with square tapered spindle fitting.
Features
- Lightweight hollow spindle
- Maintenance-free sealed cartridge bearing assembly keeps out dirt, mud, and water for long bearing life
- Fast and easy installation without adjustment
- Narrow body allows clearance for cable routing under the bottom bracket
- Weight: 300g
- Interface: Square taper, English Thread
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