Features Large Diameter: The wheelchair wheel with 10in large diameter ensures quick and flexible movements with great stability. Using Great PU: Adopting premium polyurethane material, the caster wheel is skidproof and wear resistant during rolling. Sturdy for You: Equipped with a sturdy aluminum alloy wheel hub, the tire part is not likely to deform under heavy load. Extensive Uses: Allows for broad application on wheelchair, walker, rollator, trolley, cart and so on, very practical. 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, Aluminum Alloy Specification: 10in Bearing Spacing: Approx. 50mm / 1.97in Bearing Hole Inner Diameter: Approx. 12mm / 0.47in Bearing Outer Diameter: Approx. 28mm / 1.1in Bearing Thickness: Approx. 8mm / 0.31in Bearing Specification: 6001 Package List: 1 x Wheelchair Wheel Package List 1 x Wheelchair Wheel