This replacement wheel is a manual wheelchair accessory. Those who need the rear wheel of an electric wheelchair can browse other products, and we will serve you wholeheartedly.product information:Name: 24inchs manual wheelchair replacement wheelMaterial: aluminum alloyColour: BlackScope of application: manual wheelchairDiameter: 60cm/24inchsWheel width: 35mm/1.3inchsAperture: 14mm/0.5inchsPurchase Notes:1. Please make sure that your wheelchair is a manual wheelchair, and the rear wheel of this wheelchair is specially designed for manual wheelchairs.2. Please measure whether the diameter of the old tire is the same as the diameter of this tire, 24inch.3. Please confirm whether the 14mm/0.5inch bearing diameter matches your wheelchair.Notice: 1. Due to the different light of each computer monitor, the product will have color difference.2. The size is measured by hand, there may be an error of 1-3MM, please refer to the actual product.3. If you have any questions during use, you can contact us, we will reply you as soon as possible.