Shimano UN55 Square Taper BottomBracket
Shimano Road UN55 model has super-accurate bearings forsmooth operation and improved durability.
A good quality bottom bracket for traditional chain sets
Super-accurate bearings for smooth operation and improveddurability
Durable, hard-wearing sealed cartridge bottom bracket withsquare tapered spindle fitting
Lightweight hollow spindle
Maintenance-free sealed cartridge bearing assembly keeps outdirt, mud, and water for long bearing life
Fast and easy installation without adjustment
Narrow body allows clearance for cable routing under thebottom bracket
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