Item Type: Electric Wheelchair Wheel Material: Polyurethane rubber, aluminum alloy Wheel Outer Diameter: Approx. 16in or 40.6cm Wheel Thickness: Approx. 53mm or 2.1in Mounting Hole Diameter: Approx. 9mm or 0.35in Wheel Center Hole Diameter: Approx. 45mm or 1.8in 1Aluminum Alloy Hub: Our electric wheelchair wheels are made of aluminum alloy hubs, rust proof and durable, with strong load bearing capacity. 2Anti Slip Wheel: The texture on the electric wheelchair tires has a certain anti slip and wear resistant effect, which is suitable for various road surfaces and stable performance. 3Perfect Replacement: With professional design and accuracy manufacturing process, this electric wheelchair wheel is a very good wheelchair accessory. 4Wide Application: These electric wheelchair wheels are suitable for electric wheelchairs, trolleys, etc. and have a wide range of applications. 5Easy Installation: This electric wheelchair with solid silent wheels has precise size and is easy to install, saving time and effort.1 x Electric Wheelchair Wheel