A railway braking system having brakes with at least one shoe, configured to be mechanically connected to a support (2) of a railway vehicle and including a body (3) having one or more attachment points for the support, wherein the body is made of light alloy and/or composite and has one or more first smooth holes (30) opening at least onto an outer face (9) of the body, the railway braking system (1) further including a fastening interface (20) made from steel and/or cast iron and having one or more first tapped orifices (31) opening at least onto a first face (28) of the fastening interface, and one or more second tapped orifices (32) opening at least onto a second face (29) of the fastening interface, opposite to the first face, and the railway braking system further including one or more first fastening members (36) for mechanical connecting the fastening interface to the body;
- and the railway braking system is configured so that the first face (28) of the fastening interface is mounted so as to bear against the outer face (9) of the body, with the one or more first smooth holes (30) of the body being situated facing the one or more first tapped orifices (31) of the fastening interface and the one or more first fastening members (36) being introduced into the one or more first smooth holes (30) of the body and the one or more first tapped orifices (31) of the fastening interface for mechanical connecting thereof, thus leaving access free to said one or more second tapped orifices (32) for mechanical connecting the support (2) of the railway vehicle to the second face of the fastening interface, via one or more second fastening members (39).