We produce robot wheels for mini sumo and line follower robots.
Tire material is ShoreA 20 hard. (Special Formula with Polyurethane Additive)
Inner bore diameter is 3mm.
The wheel is mechanically connected to the motor shaft with a setscrew screw.
Outside diameter: 33 mm, Width: 21 mm
Weight: 20 gr (Tire: 8 gr, Wheels: 12 gr)