The Stacyc eDrive is the best way to introducing riding to your little one. Your child should weigh less than 75ilbs and have at least a 18" inseam. A Stacyc bike will allow your child to learn how to lean and how to use a twist throttle. This eBike works just like a motorcycle or dirt bike, simply attach the battery, flip the switch and grab a fist full of throttle. Three speed modes allow your child to warm up to this new type of riding without having too much speed. As they begin to hone their skills you can adjust the mode to give them a little more power. Set up takes minutes with just a few common tools and an air pump. Best for children 4-8 years old under 75lbs with a 18-24" inseam Aluminum frame 16" Wheels with Pneumatic tires 17" Seat height 17 lbs weight with battery installed Steel bmx style forks 3 Speed modes Low/Training 5mph, Medium/Standard 7.5mph, High/Advanced 13mph Protected chain drive 30-60 Minute ride time (varies based on mode and terrain) 30-60 Minute charge time 20% more power than the original 16eDrive