Tamiya Dual Block Tires/Tyres K are designed for 4WD/Rear applications with a size of 62/35, compatible with DB01/DF03/TRF503 models. These are part of Tamiya's R/C Spares, Extras, and Hop-ups range. We offer a good selection of wheels, tyres, motors, body shells, and many other spares and parts for Tamiya Radio Control vehicles. This product is as stated in the title. Choose from the available sizes. Each set has two pinion gears, for use in R/C electric vehicles.