Speedway 4 upgrades its suspension system. Two adjustable hydraulic suspensions are added on the rear. Which is different from previous Speedway models only come with front suspension.
In the limited version, Speedway 4 implements 800W (1600W peak) motor and the largest 1586Wh battery with longer deck. In other words, it can provide up to 75 miles driving distance.
Additionally, Speedway 4 also has 10″ wheels, front and rear brakes, horn, brake and signal light. All of above makes your riding safer and more comfortable.