2.80 x 2.50-4 Primo Spirit Heavy Duty Foam Filled Tire
2.80/2.50-4 Wheel 2.50-4 Tire 4inch Hub Rims With Tyre Inner Tube For Baby Carriage,elderly Mobility Scooter,3wheel Standing Car - Motorcycle Tires & Wheels - AliExpress
1PZ HT2-X25 2.80/2.50-4 280/250-4 2.80-4 Tire Tyres and Inner Tube for Electric Pneumatic Air Filled Hand Truck Utility Cart Old Man Razor bike Scooter wheelbarrows trolleys - Walmart.com
Amazon.com: AR-PRO (4 PACK) 2.80/2.50-4 Inner Tube for Hand Trucks, Utility Cart, Lawn Mowers, Wheelbarrows, Dollys, Scooters, Replacement 2.80-4 2.50-4 Tire Inner Tube with TR87 Bent Valve Stem : Automotive