Just came across this about the Ex2.Looks like they might be running 2 models at two different voltages and 2 different Wh battery packs. 116 volts at 2040 Wh and 100 volts at 3600 Wh both high torque motors.one is the Ex2 the other the Ex2s
Interesting looking wheel. I have seen some videos where the guys ride stairs and so on. It looks to me like a heavy wheel push around. But for seating riding it looks like its got a proper layout to sit.
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