Features1Large Diameter: With a large diameter of 7in, the wheelchair wheel enables stable moving in a high speed, simplifying the movements. 2Stable Rolling: Premium rubber material together with metal ball bearing ensures easy rolling and turning, higher in safety as well. 3Practical Uses: Works perfectly as both front and rear wheel, the caster allows for wide application on wheelchair, walker and more. 4Premium Design: Designed to have 17cm diameter, 2.8cm thickness and 5cn shoulder width, the tire has wide compatibility for using. 5Easy to Install: Compact in size and light in weight, the installation is very convenient to be quickly completed within minutes.SpecificationItem Type: Wheelchair WheelMaterial: RubberDiameter: Approx. 17cm or 6.69inWheel Thickness: Approx. 2.8cm or 1.1inShoulder Width: Approx. 5cm or 1.97inPackage List2 xWheelchair Wheel Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store