Kids Electric Power Ride on Motorcycle Harley Style Black - 6 volt higher amp For kids 3 yrs old to kids up to 90 Lbs. Goes about 4-5 mph. This is the biggest model of the kid's electric bike.It has 15 inch wheels. Check this out....it has a twisting right handle grip starts and stops motor. The seat is 18 inches from the ground. It is 47 inches long. It's Headlight and Horn both operate using buttons on the handlebars.