You can use it on either one. It works by the physical distancing of a supplied magnet from a magnetic switch. The 2 parts are attached to the handle and the frame of the brake lever. When the lever is pulled it moves the magnet away from the switch, thus breaking the circuit.
You can use it on either one. It works by the physical distancing of a supplied magnet from a magnetic switch. The 2 parts are attached to the handle and the frame of the brake lever. When the lever is pulled it moves the magnet away from the switch, thus breaking the circuit.