Clamping device for a cycle carrier

Clamping device (1) for a cycle carrier provided with at least one cycle channel (26), comprising a post (3) which can be placed substantially vertically on this cycle carrier and which is provided with clamping means (10, 14) for clamping a crank of a cycle, and with displacing means (5, 7) for at least partially displacing the clamping means (10, 14) in a direction transversely of the longitudinal direction of the cycle channel.