The upper deck option includes the upper deck and spacers to mount a mezzanine level on your 2WD Robot Chassis. The upper deck has cutouts for supporting a small laptop computer.
A master battery disconnect switch is a lever-operated battery cutoff switch that will disconnect power for the battery circuit.
This is a pair of 10" wheels and shafts. The shafts are machined steel with a welded hub. They are for our Heavy Duty and Enclosed Heavy Duty ATRs. These will not work for our Standard ATRs.