The Tamiya slick tire set contains four wheels with arched tires, each with a diameter of 31 mm (1.2") and a width of 10 mm (0.4"). These wheels are compatible with Tamiya gearbox kits with 3mm-hex shafts
The Tamiya 70192 slick tire set includes the following:
These wheels are especially good for use with the Tamiya mini motor 4-speed, 8-speed, and 12-speed gearboxes.