Cassettes are an essential component for the correct gear change of the bicycle, at Onveló we offer you a selection of cassettes for your bicycles that will not leave you indifferent.
The cassette consists of a system installed on a shaft that allows the sprockets to rotate freely in one direction and remain united in the opposite direction.
Ratchets pushed by a spring are used so that, in the direction of rotation in which the transmission is made, they mesh with the rest of the mechanism to transmit power. In the opposite direction the pawls are pushed towards the shaft and the rest of the mechanism rotates freely. On bicycles, this process produces the classic bike rattle noise when pedaling is stopped.
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