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Electric Drive Systems intended for Bike EcoSd is the leading maker of middrive type electric ists intended for bicycles. Middrives give more performance intended for a given motor ecosd * History * Naming plus legal status * Motors plus drivetrains * By 1898 a rear wheel drive electric bicycle, which used a driving belt along the outside edge of the wheel was patented by Mathew . Steffens. en.Electricbike en. Izip & Ezip Ss Electric Bikes plus Electric Ss accompanying patented Electro Drive Technology. patented Currie ElectroDrive® Technology powers ss plus Index |
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