Tamiya 70145 narrow tyres. Use the pair of tyres in this set for small and medium-sized robots that must make precise movements. With a 58mm diameter and solid, rounded, 15mm treads, these wheels will let your robot turn with little friction, even on rough surfaces like carpet.

Tamiya - We have four different types of wheels from Tamiya's educational construction series, each of which can be connected directly to the 3mm hexagonal axles found in many of the Tamiya Gearboxes. The sports tyres and the narrow tyres are the only wheels compatible with the 4mm round shafts of the Tamiya high efficiency gearbox series. All of the wheels have plastic hubs and high-traction rubber tires; they differ mainly in size and springiness.