Use the pair of tires in the Tamiya 70145 narrow tire set for small and medium-sized robots that must make precise movements. With a 58 mm diameter and solid, rounded, 16 mm treads, these wheels will let your robot turn with little friction, even on rough surfaces like carpet. These wheels are compatible with allTamiya gearbox kits.
The Tamiya 70100 Track and Wheel Set allows for a large degree of adjustability and creativity in designing your own robot. The set includes a variety of track lengths, sprockets, and wheels that are compatible with multiple Tamiya products.