There are individuals who claim to have lost considerable amounts of weight by using an electric bike. A recent prospective cohort study however found that people using e-bikes have a higher BMI. By making the biking terrain less of an issue, people who wouldn't otherwise consider biking can use the electric assistance when needed and otherwise pedal as they are able. This means people of lower fitness levels or who haven't cycled in many years can start enjoying the many health benefits E-bikes have to offer. 
Depending on local laws, many e-bikes (e.g., pedelecs) are legally classified as bicycles rather than mopeds or motorcycles. This exempts them from the more stringent laws regarding the certification and operation of more powerful two-wheelers which are often classed as electric motorcycles. E-bikes can also be defined separately and treated under distinct Electric bicycle laws.
The Brose motor is definitely the most quiet ebike motor that I’ve used. The 28mph model is no different. I also find it to be pretty solid in terms of power. Generally speaking, Bosch motors are considered the most powerful, but with the Brose I actually think you get a lot of power with a more “real” feeling cycling experience. They also give you a 675 watt hour battery pack, which is still unrivaled in terms of a single battery system.
By 1898 a rear-wheel drive electric bicycle, which used a driving belt along the outside edge of the wheel, was patented by Mathew J. Steffens. Also, the 1899 U.S. Patent 627,066 by John Schnepf depicted a rear-wheel friction “roller-wheel” style drive electric bicycle. Schnepf's invention was later re-examined and expanded in 1969 by G.A. Wood Jr. with his U.S. Patent 3,431,994. Wood’s device used 4 fractional horsepower motors; connected through a series of gears.
A 2008 market survey showed that the average distance traveled in the Netherlands by commuters on a standard bicycle is 6.3 kilometres (3.9 mi) while with an e-bike this distance increases to 9.8 kilometres (6.1 mi). This survey also showed that e-bike ownership is particularly popular among people aged 65 and over, but limited among commuters. The e-bike is used in particular for recreational bicycle trips, shopping and errands.
With asthma, the commuter was just what I needed to get up these hills in the DC area without having an attack. With the 20 miles range, that gets me though my day, I can almost get about 35 miles in, since I only use the assist for hills, and I call any incline a hill. It came in two days, was very easy to install. I did it myself. It took me over an hour because I was scared, and watch the video over and over. Before I install this, I never did any work on my bike, not even changed a flat. When I do group rides, people notice that I'm no longer the last person up the hills and tell me to slow down! They are impressed that I was able to installed it myself. I brought this in Feb. 2017, had one problem with the on/off switch which customer service addressed, sent me a new switch and instructed me on how to install it myself. They actually sent two switches, other than that, I had no problems with it. Great customer service that stands behind their product, great product, equals happy customer.
An anti-theft radio GPS that mounts to standard bottle cage bosses and can locate within 9 feet, it runs on the Verizon network and costs $5/mo in addition to the hardware. Integrated vibration sensing alarm sends an automated text message alerting you anytime the bike has been "locked" using the companion smartphone application (Android or iOS)...
Tackle your daily commute with ease or go for a weekend cruise in style with the Gazelle CityZen T10 e-bike. And don’t worry about those thigh-burning hills; the Bosch motor offers four assist levels—Eco, Tour, Range Sport, Turbo—making hills a breeze and the Lithium-Ion battery provides a range of up to 85 miles in Eco mode. The bike is one of the first to use Bosch's new integrated battery, which is concealed in the downtube. The matte black paint and classic, step-through design give a classic look while fenders, pannier racks, and integrated lights add practical functionality. The bike is easy to maneuver in city streets, but still has assist up to 28mph so you can cover a lot of miles and power up steep hills. There's a suspension fork too. It's not at the level of something you'd find on a mountain bike (or even some better e-bikes) but it takes the edge of some potholes and curbs.