Item Type: Wheelchair Wheel Material: Polyurethane(PU) Outer Diameter: Approx. 193mm / 7.6in Wheel Center Hole Diameter: Approx. 8mm / 0.31in Spacing Between Mounting Holes: Approx. 56mm / 2.2in 1DURABLE AND FIRM: Come with solid reinforced aluminum alloy hub, stable and reliable, strong and durable 2SAFE AND NON SLIP: Wheelchair wheel adopt non slip design, possess high safety factor, you can use with confidence 3SHOCK ABSORPTION AND LOW NOISE: This is a polyurethane solid wheel, no noise with good shock absorption effect 4WIDE APPLICATION: Multi functional wheel is widely used in disability vehicle, medical vehicle, push cart and so on 5FINE CRAFTSMANSHIP: Using advanced technology with excellent craftsmanship to bring smooth surface, which is durable in work1 x Wheelchair Wheel