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Bottom Brackets

Bottom Brackets

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Conveys the cyclist's power from the cyclist to the chain


The bottom bracket is the main part of the drivetrain. True point of transfert of pedalling energy, a bottom bracket is made of two crank handles and one or more chain rings.


Allows to adapt the gear ratio


Bottom brackets are generally sold on their own, without pedals. Chain ring teeth must be chosen depending on the types of roads and the cyclists level of ability.

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