The easy to ride Massimo E11 is the perfect balance bike for kids between 3 and 7 years old. With an adjustable seat height from 11 to 17 inches, and supporting riders up to 100 pounds, the E11 is fun for a wide range of sizes and experience levels. Featuring a 150-watt hub motor with a top speed of 9 miles per hour, plus an extended range battery serving up 9 miles of smiles. The Massimo E11 weighs 19 pounds and has a lightweight alloy frame with a hub motor built into the rear wheel for increased gyroscopic stability. Hello, Future Motocross Rockstars, Tiny Two-Wheeled Terrors, and America’s Next Top Stuntwoman. The E11 was made for this.