Kettler Aero Racer go-kart. Fast, safe 4-wheeling pedal action for kids ages 5 to 9 years! *High traction tubeless air tires: 10" diameter for speed. *Powerful rear-wheel hand brake stops the vehicle positively. See image detail below. *4-position seat adusts quickly without tools. *Fits children from 40 to 56 inches. Seat to pedal crank range approx. 22" to 26". Measure seated child with legs extended from small of back to bottom of feet. *Shift lever selects forward and neutral gears (coasting). *Fully enclosed chain for safety. *Low center of gravity & 20+" front track width for stable handling. *Polyester powder coating - far more durable than paint, completely non-toxic. *Polyethylene plastic parts - heavy, durable, weather-proof, & absolutely non-toxic. *High-strength steel frame comes with 1-year warranty. 47" long, 24" wide, 25" to top of seat back - approx 40 lb 22" track width for stability Made in China under the close supervision of Kettler.