11x 4cm WidthWheels for your robot are easy to mount, durable and cheap. These wheels have a 6.1mm hole for a shaft with a screw for fitting making it very easy to mount on motors. Note: You may receive wheel in a different colour (Mostly Black) according to the availability.
Specification:
Wheel Dia : 11 cm
Thickness : 4 cm
Hole Diameter : 6.1 mm
Easily mounted on any 6.1mm shaft gear motors using screws (provided with wheel).