This is a single axle with a hub that mounts to our 13 inch tires. The end opposite the hub is bored to fit a 12mm shaft. It is intended to be direct driven by our IG52 motors. The hub is welded to a steel 5/8" diameter shaft.
This is a programmable autonomous robot prebuilt kit that can be controlled via USB gamepad. The MarvelMind IPS (Indoor Positioning System) provides indoor navigation. ODROID-XU4 single-board PC provides the most flexible platform possible.