AWD or 4WD? - SlotForum

4wd slotSIPA74 Slot.It Plastic Ø17.3mm front wheels Black For 4WD System NOTE: Can be fitted to most 132 scale cars but two each of theseOn its Audi R18 e-tron Slot.it has created a 4WD system which is truly unique and innovative. In the Slot.it system, a toothed belt provides power to the front axle through two micro pulleys which are coupled to the left wheels.