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 ATR robot uses custom length sides and 10 inch tires. We have included everything to make it ready to run including batteries, controllers, chargers, etc. It has been fitted with a custom top cover.