Brake caliper, brake and vehicle

The utility model provides a brake caliper, a brake and a vehicle. The brake caliper comprises a caliper body provided with a guide pin in bolted connection with the guide pin, the flexible connectingpiece is arranged on the clamp body; the brake caliper further comprises an installation frame detachably connected to the end, provided with the guide pin, of the caliper body, an installation partfor installing the flexible connecting piece is formed on the installation frame, meanwhile, a limiting part and a limiting matching part are arranged on the installation frame and the caliper body respectively, and the limiting part and the limiting matching part are in blocking fit so as to restrain rotation of the installation frame relative to the caliper body. The brake caliper is provided with the fixing structure integrating the flexible connecting pieces such as the wire harness or the oil pipe, so that the flexible connecting pieces are convenient to arrange and install, the risk thatthe flexible connecting pi