QUESTION: what are the tire sizes? ANSWER: The size of the tires is 8" x 3". For more discussions, options and details about the product, or to order the product, please click here Swivel seat with swingaway adjustable padded arms. Adjustable muti-angel reclining back. Batteries are sold separately. Powerful three-wheeled scooter with low energy consumption Engineered for those who desire high horse power and torque without the need for frequently charging the batteries Functional and durable design provides high performance with low maintenance Controller 24 volt, solid state One horsepower, permanent magnet, high efficiency motor Maximum speed is 6.4 miles per hour* Maximum range is 25 miles* May vary with load, battery, terrain, tire pressure and other conditions Fast charging 3 amp automatic on-board charger Weight Capacity: 280 lbs. HCPCS Code: E1230 MODEL 3200 SEAT DEPTH 17" - 24" SEAT WIDTH 17" SEAT HEIGHT FROM FLOOR 24" - 27" Back HEIGHT 24" - 27" Overall WIDTH 24" Overall LENGTH 42" Overall HEIGHT 44" - 51" CHASSIS WEIGHT  22 lbs DRIVE WEIGHT 35 lbs SEAT WEIGHT 33 lbs