Gear motorThe gear motor has a huge range of voltage and a double-sided shaft which makes it pefect for model construction and prototyping especially because the in the scope of delievery included wheel with rubber tires and plastic rim. The shaft can for example be used for the assembly for a perforated disc which can select with a sensor the rotations.Spare part for article Robot03 and Robot05SpecificationsModel Gear Motor including WheelShaft 3.6mm two-sided with opening 1.9mmPower Supply 3 - 9V DC (recommended: 4.5V)Dimensions (Wheel) Diameter = 65 mm; Width = 27 mmDimensions (Motor) 37.6 x 64.2 x 22.5 mmWeight 58 gItems Shipped motor, wheel