Box Two External Bottom Bracket
Box Two External Bottom Bracket
For use with either 24mm or 30mm spindle cranks
External cups means larger bearings for extra life
For 68/73mm shell widths
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Box Two External Bottom Bracket
For use with either 24mm or 30mm spindle cranks
External cups means larger bearings for extra life
For 68/73mm shell widths
Fits most race cranks that are 24mm including the stock GT cranks on GT Power Series completes. Standard thread. Genuine Shima...
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