1 x Replacement Mobility Scooter Inner Tube Size 2.80/2.50-4 This 2.80/2.50-4 inner tube will fit any scooter or powerchair that takes this size. Features a bent metal valve for easy inflating. In deciding which size inner tubes you need, refer to the size written on the side wall of your tyre as the inner tube and tyre sizes correspond. -1 x Mobility scooter inner tube size 2.80/2.50-4 -Bent metal valve for easier inflation -Fits any mobility scooter or powerchair that takes the size 2.80/2.50-4