Materials needed: Bicycle
Stand Bicycle frame 24V DC scooter motor DC - DC battery charger A car battery, or something similar DC - AC inverter Wires for electrical connections and various bike parts and tools.
«
Standing up works for acceleration and maneuverability,» says Robert Kahler, senior product manager for GT
Bicycles in Madison, Wisc. «You have a very low height to the
frame so you can get... over the jumps as efficiently as possible.»