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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

 

Product Details

Shimano UN54 73mm Cartridge Bottom Bracket

73mm width fits most mountain bikes.

English threading fits most mountain bikes

JIS Square Taper.

Sealed cartridge bearings.

 
  • Part Numbers close open

    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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