A freehub is a type of bicycle hub that incorporates a ratcheting mechanism. A set of sprockets (called a "cassette") is mounted onto a splined shaft of the freehub to engage the chain. The ratcheting mechanism is a part of the hub, in contrast to a freewheel, an older technology, which contains both the sprockets and a ratcheting mechanism in a single unit separate from the hub. In many high-end and midrange bicycles, freehubs have replaced freewheel systems.
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| - Freehub (en)
- Freehub (pt)
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| - Um freehub ou roda-livre é um tipo de cubo de bicicleta que incorpora um mecanismo de catraca, sendo o nome freehub uma marca registada da Shimano. O sistema dá a possibilidade de trocar o conjunto de engrenagens (cassete), que é composto de 7 a 12 unidades (cogs), sem perder a roda livre, além de poder ser removida facilmente utilizando a chave de imobilização do sistema e um extrator com entalhes para remover a tampa do conjunto do cassete, facilitando sua manutenção. (pt)
- A freehub is a type of bicycle hub that incorporates a ratcheting mechanism. A set of sprockets (called a "cassette") is mounted onto a splined shaft of the freehub to engage the chain. The ratcheting mechanism is a part of the hub, in contrast to a freewheel, an older technology, which contains both the sprockets and a ratcheting mechanism in a single unit separate from the hub. In many high-end and midrange bicycles, freehubs have replaced freewheel systems. (en)
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| - A freehub is a type of bicycle hub that incorporates a ratcheting mechanism. A set of sprockets (called a "cassette") is mounted onto a splined shaft of the freehub to engage the chain. The ratcheting mechanism is a part of the hub, in contrast to a freewheel, an older technology, which contains both the sprockets and a ratcheting mechanism in a single unit separate from the hub. In many high-end and midrange bicycles, freehubs have replaced freewheel systems. A freewheel mechanism allows a rider to stop pedalling whilst the cycle is still in forward motion. On a cycle without a freewheel mechanism, the rider has to keep pedalling whenever the cycle is moving. (en)
- Um freehub ou roda-livre é um tipo de cubo de bicicleta que incorpora um mecanismo de catraca, sendo o nome freehub uma marca registada da Shimano. O sistema dá a possibilidade de trocar o conjunto de engrenagens (cassete), que é composto de 7 a 12 unidades (cogs), sem perder a roda livre, além de poder ser removida facilmente utilizando a chave de imobilização do sistema e um extrator com entalhes para remover a tampa do conjunto do cassete, facilitando sua manutenção. (pt)
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