This is a single axle with a hub that mounts to our 6 inch tires. The end opposite the hub is bored to fit an 6mm shaft. It is intended to be direct driven by our IG32 motors. The hub is welded to a steel 1/2" diameter shaft.
This Compact 4WD wheeled robot platform is equipped with 32mm motors, a motor controller, and Spektrum remote control. With the default configuration, the robot handles up to 5lbs of additional payload and travels 298 ft/min.