The Tamiya 70111 sports tire set contains two attractive racing-style wheels, each 56 mm in diameter and 25 mm wide. These wheels are compatible with all Tamiya gearbox kits.
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 all Tamiya gearbox kits.
The Tamiya slim tire set contains two wheels with a diameter of 36 mm (1.4") and two wheels with a diameter of 55 mm (2.2"). These have a width of 3.5 mm (0.14") and are compatible with all Tamiya gearbox kits.