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 robot is equipped with 32mm motors. The default configuration has a top speed of 298 feet per minute and a payload of up to 12 lbs. With different configurations, speed can range from 83 to 416 feet per minute and payload can range from 1 to 25 lbs.