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> Harris Cyclery Catalog > Parts > Bottom Brackets > Square Taper British Std. > Shimano > UN54 73mm Cartridge Bottom Bracket
Shimano UN54 73mm Cartridge Bottom Bracket

Shimano

UN54 73mm Cartridge Bottom Bracket

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Shimano UN54 73mm Cartridge Bottom Bracket

73mm width fits most mountain bikes.

English threading fits most mountain bikes

JIS Square Taper.

Sealed cartridge bearings.

 

REVIEW SNAPSHOT®

by PowerReviews
Option Manufacturer's Part Number Store SKU
73mm x 107mm BB148 BB148
73mm x 110mm BB148A BB148A
73mm x 113mm BB148C BB148C
73mm x 122.5mm BB150 BB150
 
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