These red plastic wheels have silicone tires measuring 40 mm (1.57″) in diameter and press-fit onto the 3mm D output shafts on many of Pololu motors, including Pololu micro metal gearmotors and mini plastic gearmotors. These wheels are sold in pairs.
- Wheel diameter: 40 mm
- Bus width: 6.5 mm
- Hole diameter : 3mm (D-shaped)
- Weight: 4.3 g
- Number of wheels included: 2