Assembly (1) comprising at least one vehicle wheel (2), adapted to rotate about a vehicle wheel axis (X2) and adapted to perform a rolling movement on an advancement surface for the vehicle; at least one further rotating member (4), which can be operatively connected to said vehicle wheel (2); at least one transmission (6) adapted to transmit kinetic power between said vehicle wheel (2) and said at least one further rotating member (4); wherein said transmission (6) achieves a transmission ratio other than +1; at least one braking device (18) acting on said at least one further rotating member (4) in order to brake said vehicle wheel (2) by means of a braking action acting on said at least one further rotating member (4) which is transmitted to the vehicle wheel (2) by means of said transmission (6).