By 2001 the terms e-bike, power bike, “pedelec”, pedal-assisted, and power-assisted bicycle were commonly used to refer to e-bikes. The terms “electric motorbike” or “e-motorbike” refer to more powerful models that attain up to 80 km/h (50 mph).

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I use my pedelec mode all the time to save on battery charge. The throttle is good for starting off then I switch to pedelec assist level 3. Also my hand gets sore holding the throttle on all the time. I prefer full throttles to half throttles, but my bike only comes with half throttle. A problem with my pedelec mode is the motor stays on for 2 to 3 seconds after I stop pedaling. I would be better if it cut off soon as I stop pedaling.

E-bikes can also provide a source of exercise for individuals who have trouble exercising for an extended time (due to injury or excessive weight, for example) as the bike can allow the rider to take short breaks from pedaling and also provide confidence to the rider that they’ll be able to complete the selected path without becoming too fatigued.[59]

Photo: Zap Electric’s power-assist kit turns a conventional bike into an electric one. There’s a bolt-on DC electric motor (weighing just over 3kg or 7lb) just above the back wheel, behind the police officer’s foot, pressing against the tire and driving it by simple friction. The motor’s powered by a compact lead-acid battery (weighing about 5.5 kg or 12 lb) inside a protective nylon bag. This kit adds quite bit of weight to the bike, but gives extra range and speed when needed. Photo taken in Santa Rosa, California courtesy of US DOE/NREL.

A few electric bikes incorporate a technology that started in racecars: regenerative braking. When you brake, you create energy. That energy can be harvested and fed back into the battery, prolonging its life. Regenerative braking is only just being introduced to e-bikes, but it’s certainly something to watch out for.

“You honestly feel like you’re floating,” said Marino, who found pedaling easy for his recovering leg. “I felt like I was riding horses again. Instead of trails, I was road biking in and out of traffic.”

My State (WV) Laws are similar. Anything with a motor is a Moped (requires registration and insurance and that kills a lot of incentive to use one). I got interested because I was looking at the Organic Transit ELF. Turns out human powered Trikes are non-classified vehicles here, that is they are not defined as a bike -as a bike can only have 2 tandem wheels- while a moped can have 3 but also has a motor which a human powered trike lacks. >shrug< Powerful 650 watt high-speed copper winding geared hub motor with 28 mph performance. advance torque sensing pedal assist. Integrated 48 volt down-tube battery with expandable range of over 100 miles. LCD display with advanced features designed for commuters. Comes fully-loaded with rack, fenders, a 1,050 lumen front headlight and more. E-bikes are classed according to the power that their electric motor can deliver and the control system, i.e., when and how the power from the motor is applied. Also the classification of e-bikes is complicated as much of the definition is due to legal reasons of what constitutes a bicycle and what constitutes a moped or motorcycle. As such, the classification of these e-bikes varies greatly across countries and local jurisdictions. Two years later, in 1897, Hosea W. Libbey of invented an electric bicycle (U.S. Patent 596,272) that was propelled by a “double electric motor”. The motor was designed within the hub of the crankset axle.[6] This model was later re-invented and imitated in the late 1990s by Giant Lafree e-bikes. Simple, convenient, cheap, and economical—bicycles are one of the world's favorite forms of transportation. But they're not for everyone. They can be hard to pedal up and down hills or with heavy loads, and elderly or disabled people may find them impossible to manage. In the last few years, a new generation of electric bicycles has begun to revolutionize our idea of environmentally friendly transportation. These new cycles have all the convenience of cars with all the simple economy of ordinary cycles. Let's take a closer look at how they work. Globally, electric bicycles outsell electric cars by a wide margin. An estimated 29.3 million e-bicycles were sold in 2012, with perhaps 90 percent of those selling in China, which has more electric bikes than cars on its roads. E-bicycles are popular in Europe, too, selling about 380,000 a year in Germany and 175,000 in the Netherlands in 2012. By comparison, about 120,000 electric cars were sold worldwide. [redirect url='' sec='7']