Shimano BB-UN55 Bottom Bracket British Thread
The Shimano BB-UN55 Bottom Bracket British Thread
is a popular sealed cartridge bottom bracket with a lightweight hollow spindle. Attaching your bike to the crankset, this bottom bracket ensures your crankarm rotates like a dream. Plus, the sealed design keeps out all the nasty stuff like mud, dirt and water, which means it`ll keep working perfectly for even longer.
Shimano BB-UN55 Bottom Bracket British Thread Extra Info
Square tapered spindle
The slim body allows clearance for cable routing under the bottom bracket
Quick and easy to install without the need for adjustment
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