Shimano BB-UN55 Bottom Bracket English 73x122.5

Shimano BB-UN55 Bottom Bracket English 73x122.5
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Details

Shimano High quality sealed bottom bracket (square taper). Extra strong Aluminum (not plastic) non drive cup. For use with square tapered crank sets.
Specifications:
Square tapered spindle
Sealed bearing system
English threaded 73mm BB shell

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