Feature: 1. Alloy Steel Hub: Wheelchair wheel features a robust alloy hub that rust resistant and sturdy, with strong load bearing capacity, ensuring reliable performance for wheelchair. 2. Non Slip Tread Pattern: Wear resistant tire texture of the wheelchair caster provides stability on various road surfaces, offering a smoothly and secure ride. 3. Professional Design: Expertly crafted for electric wheelchairs and strollers, combining accuracy manufacturing techniques for optimal performance. 4. Stable Performance: Designed for wheelchair rear wheels, these wheels deliver stable and reliable performance on diverse terrains, enhancing mobility and comfort. 5. Ideal Replacement: Wonderful replacement for the old and damaged parts, fine workmanship, attention to details, helps you improve the working performance Specification: Item Type: Wheelchair Wheel Material: Alloy, Rubber Load Capacity: Approx. 40PSI (275kPa) Wheel Outer Diameter: Approx. 325mm / 12.8in Wheel Center Bore Diameter: Approx. 17mm / 0.67in Keyway Width: Approx. 6mm / 0.24in. Package List: 1 x Wheel