AWD or 4WD? - SlotForum

4wd slotSlot.it supply their e-Tron Quattro with the front pulley one tooth larger than the rear one, which ensures that the front axle spins whenever the rear one does, but always slhtly slower, giving a rear-drive bias.Slot.it supply their e-Tron Quattro with the front pulley one tooth larger than the rear one, which ensures that the front axle spins whenever the rear one does, but always slhtly slower, giving a rear-drive bias.