You won't believe the quality of these units! The JP Hobby Electromagnetic Control Aircraft Braking System is the easiest to use and most reliable aircraft braking system available. It replaces the old style pneumatic and servo applied remote control braking systems. This design allows for easier installation and better control of braking. High grade aluminum construction with ball bearing wheels and replaceable hollow rubber tires.
Operates off of the flight battery or a separate 7.2V-30V battery.
Auto shut down after 1 minute of inactivity to reduce battery consumption
Signal Input: Connects directly to receiver to operate.
Wheel Diameter: 55mm/ 2.2 inch
Axle Screw Diameter: 4mm
Weight: 6.3oz/ 178g (2 wheels and control box)
Included: Two main wheels and a brake controller.