A detection device for detecting a braking force, exerted by a brake caliper on a hub holder or brake caliper support, upon a braking event and due to a braking event, said detection device being adapted to be mounted at a fixing interface (i, ii) between the brake caliper and the hub holder or brake caliper support, by tightening means exerting a tightening force, wherein the device comprises: - a low-friction body, shaped as a washer or plate or bearing; - a caliper- hub-holder connection element, connected to and integral with said low-friction body, wherein the caliper- hub-holder connection element is adapted to be mechanically connected, when the detection device is mounted at the fixing interface (i, ii), both to the brake caliper and to the hub holder or brake caliper support, so as to result in a mechanical connection through which said braking force is at least partially discharged, from the brake caliper to the hub holder or brake caliper support, wherein the caliper- hub-holder connection element is susceptible of deformation, so that the deformations and/or strains locally present in the caliper- hub-holder connection element depend on the overall force acting on the caliper- hub-holder connection element, wherein said low-friction body is configured to decouple the tightening forces from the braking forces to minimize the effect of the tightening forces on the detection device, so that said deformations and/or strains present in the caliper- hub-holder connection element are representative of the braking force exerted by the brake caliper on the hub holder or brake caliper support by means of the caliper- hub-holder connection element; wherein the detection device further comprises: - at least one sensor element, operatively connected to the caliper- hub-holder connection element, configured to detect a deformation and/or strain present in the caliper- hub-holder connection element and generate at least one electrical signal indicative of the deformation and/or strain detected, and representative of the braking force; - an electrical interface connected to said sensor element for conducting and providing said at least one electrical signal generated. - a low-friction body, shaped as a washer or plate or bearing; - a caliper- hub-holder connection element, connected to and integral with said low-friction body, wherein the caliper- hub-holder connection element is adapted to be mechanically connected, when the detection device is mounted at the fixing interface (i, ii), both to the brake caliper and to the hub holder or brake caliper support, so as to result in a mechanical connection through which said braking force is at least partially discharged, from the brake caliper to the hub holder or brake caliper support, wherein the caliper- hub-holder connection element is susceptible of deformation, so that the deformations and/or strains locally present in the caliper- hub-holder connection element depend on the overall force acting on the caliper- hub-holder connection element, wherein said low-friction body is configured to decouple the tightening forces from the braking forces to minimize the effect of the tightening forces on the detection device, so that said deformations and/or strains present in the caliper- hub-holder connection element are representative of the braking force exerted by the brake caliper on the hub holder or brake caliper support by means of the caliper- hub-holder connection element; wherein the caliper- hub-holder connection element is susceptible of deformation, so that the deformations and/or strains locally present in the caliper- hub-holder connection element depend on the overall force acting on the caliper- hub-holder connection element, wherein said low-friction body is configured to decouple the tightening forces from the braking forces to minimize the effect of the tightening forces on the detection device, so that said deformations and/or strains present in the caliper- hub-holder connection element are representative of the braking force exerted by the brake caliper on the hub holder or brake caliper support by means of the caliper- hub-holder connection element; - at least one sensor element, operatively connected to the caliper- hub-holder connection element, configured to detect a deformation and/or strain present in the caliper- hub-holder connection element and generate at least one electrical signal indicative of the deformation and/or strain detected, and representative of the braking force; - an electrical interface connected to said sensor element for conducting and providing said at least one electrical signal generated.