Features 1、Large Diameter: The wheelchair wheel with 163mm large diameter ensures quick and flexible movements with great stability. 2、Great Material: Adopting premium polyurethane material, the caster wheel is skidproof and wear resistant during rolling. 3、Sturdy for You: Equipped with a sturdy wheel hub, the tire is not likely to deform under heavy pressure, safe to use. 4、Extensive Uses: Allows for wide application on wheelchair, walker, rollator, trolley, cart and so on, very practical. 5、Easy to Install: Comes with a light weight and a compact size as well, the simple installation can be quickly finished. Specification Item Type: Wheelchair Wheel Material: Polyurethane, that is PU. Wheel Outer Diameter: Appeox. 163mm / 6.42in Wheel Center Diameter: Appeox. 8mm / 0.31in Wheel Width: Appeox. 31mm / 1.22in Axle Width: Appeox. 54mm / 2.13in Package List 1 x Wheelchair Wheel