The SDURO HardFour 4.0 was designed to inspire a new generation of riders and is the first e-bike designed specifically for kids. Built around 24-inch wheels, it features all the technology and innovation of Haibike’s award-winning SDURO HardSeven. The 500W Yamaha mid-drive motor is powered by a 400 Wh battery that can be charged directly on the frame or off. This electric performance bike also features hydraulic disc brakes, a Shimano 9-speed gear system, and Schwalbe Table Top tires. To ensure a safe yet thrilling ride, the Yamaha motor is governed to a top speed of 12 mph.