Pololu

These yellow plastic wheels have silicone tires and measure 60 mm (2.36″) in diameter, and they press-fit onto the 3mm D shafts on many of our moto...

These black plastic wheels have silicone tires and measure 70 mm (2.75″) in diameter, and they press-fit onto the 3mm D shafts on many of our motor...

These blue plastic wheels have silicone tires and measure 70 mm (2.75″) in diameter, and they press-fit onto the 3mm D shafts on many of our motors...

These red plastic wheels have silicone tires and measure 70 mm (2.75″) in diameter, and they press-fit onto the 3mm D shafts on many of our motors,...

These white plastic wheels have silicone tires and measure 70 mm (2.75″) in diameter, and they press-fit onto the 3mm D shafts on many of our motor...

These yellow plastic wheels have silicone tires and measure 70 mm (2.75″) in diameter, and they press-fit onto the 3mm D shafts on many of our moto...

These black plastic wheels have silicone tires and measure 80 mm (3.15″) in diameter, and they press-fit onto the 3mm D shafts on many of our motor...

These blue plastic wheels have silicone tires and measure 80 mm (3.15″) in diameter, and they press-fit onto the 3mm D shafts on many of our motors...

These red plastic wheels have silicone tires and measure 80 mm (3.15″) in diameter, and they press-fit onto the 3mm D shafts on many of our motors,...

These white plastic wheels have silicone tires and measure 80 mm (3.15″) in diameter, and they press-fit onto the 3mm D shafts on many of our motor...

These yellow plastic wheels have silicone tires and measure 80 mm (3.15″) in diameter, and they press-fit onto the 3mm D shafts on many of our moto...

These black plastic wheels have silicone tires and measure 90 mm (3.54″) in diameter, and they press-fit onto the 3mm D shafts on many of our motor...

These blue plastic wheels have silicone tires and measure 90 mm (3.54″) in diameter, and they press-fit onto the 3mm D shafts on many of our motors...

These red plastic wheels have silicone tires and measure 90 mm (3.54″) in diameter, and they press-fit onto the 3mm D shafts on many of our motors,...

These white plastic wheels have silicone tires and measure 90 mm (3.54″) in diameter, and they press-fit onto the 3mm D shafts on many of our motor...

These yellow plastic wheels have silicone tires and measure 90 mm (3.54″) in diameter, and they press-fit onto the 3mm D shafts on many of our moto...

These black plastic wheels have silicone tires and measure 40 mm (1.57″) in diameter. They mount onto micro servo splines with 21 teeth and a 4.8 m...

These red plastic wheels have silicone tires and measure 40 mm (1.57″) in diameter. They mount onto micro servo splines with 21 teeth and a 4.8 mm ...

These white plastic wheels have silicone tires and measure 40 mm (1.57″) in diameter. They mount onto micro servo splines with 21 teeth and a 4.8 m...

These black plastic wheels have silicone tires and measure 60 mm (2.36″) in diameter. They mount onto micro servo splines with 21 teeth and a 4.8 m...

These red plastic wheels have silicone tires and measure 60 mm (2.36″) in diameter. They mount onto micro servo splines with 21 teeth and a 4.8 mm ...

These white plastic wheels have silicone tires and measure 60 mm (2.36″) in diameter. They mount onto micro servo splines with 21 teeth and a 4.8 m...

These black plastic wheels have silicone tires and measure 70 mm (2.75″) in diameter. They mount onto standard servo splines with 25 teeth and a 5....

These red plastic wheels have silicone tires and measure 70 mm (2.75″) in diameter. They mount onto standard servo splines with 25 teeth and a 5.8 ...