This article first appeared in Electric Bike Report in June of 2013. Since then, we’ve made some changes to our motor selection - our Direct-Drive motors are now all High-Torque 6x9 wound, so they run slower (approximately 15mph at 36v or 20mph at 48v), and our Geared Motors have been replaced by a 500w version, (approximately 20mph at 36v or 28mph at 48v). The Direct-Drive is now our Heavy-Duty motor and the...
Stark Drive has always included a front head light by default at no charge for safety with the rear brake light being optional for those who needed this. Now we have reconfigured the homepage so that the rear headlight options i clearly visible and availble without needing to compllicate matters by adding it from our accessories page. We highly recommend a rear brake light no matter what motor you choose for Stark Drive.

Another independent e-bike dealership, Adam Solar Rides in Pittsburgh, Pennsylvania, is also feeling the crunch. With essentially zero low-cost electric bicycle manufacturers in the US, Adam Solar Rides imports their entire lineup of electric bicycles from abroad, mostly from China. Like many small businesses owners, they are left with questions about how exactly the unclear tariffs might affect them and other e-bike dealers.
Should an e-bike actually look like an e-bike? Vanmoof think so. With a design and engineering sensibility that’s more Silicon Valley startup than heritage bike brand, Vanmoof is probably the most WIRED of the bikes on test. And the Electrified S has a host of features to prove it. The Bluetooth/proximity activated e-lock (with tamper sensor) that’s built into the frame is a clever innovation, although we're not sure this would be enough theft protection for inner city areas, (where the Vanmoof’s striking design stands out like a jewel on the bike rack). However, for €7 a month, if your bike is stolen, Vanmoof will track down your bike – or replace your bike with a model of the same age if they can’t retrieve it.

Irvine, Calif. – As eBikes transform into a "lifestyle product," smart aesthetics and attractive design play an increasingly important role. That’s why Bosch eBike Systems is setting the pace: for Model Year 2018, presenting the PowerTube 500, a battery which can be integrated into the frame of the bicycle. The PowerTube 500 combines modern design with first class Bosch technology for eBikers who prefer a clean and timeless look.
11. Disputes: THIS SWEEPSTAKES IS GOVERNED BY THE LAWS OF United States AND PA, WITHOUT RESPECT TO CONFLICT OF LAW DOCTRINES. As a condition of participating in this Sweepstakes, participant agrees that any and all disputes which cannot be resolved between the parties, and causes of action arising out of or connected with this Sweepstakes, shall be resolved individually, without resort to any form of class action, exclusively before a court located in PA having jurisdiction. Further, in any such dispute, under no circumstances will participant be permitted to obtain awards for, and hereby waives all rights to claim punitive, incidental, or consequential damages, including reasonable attorneys' fees, other than participant's actual out-of-pocket expenses (i.e. costs associated with entering this Sweepstakes), and participant further waives all rights to have damages multiplied or increased.
Yuba Bicycles invents, designs and manufactures Utility Bikes and Electric Cargo Bikes to meet today's transportation needs and environmental challenges. They offer maximum utility and comfort whether you are a young Mum dropping kids off to school or an entrepreneur using the bike for business purposes. The Yuba Bicycles line is acclaimed and enjoyed all around the globe for its affordability, ride quality, the quality of the accessories.
Featuring Bosch’s newest CX Drive motor, the Trekking has enormous torque (that equals acceleration) compared with the rest of the bikes on test. From a standing start the Haibike reaches the 15.5mph European speed limit in seconds. Pair this with mid-sized 27.5in wheels and laid-back mountain-bike geometry, and you have a grin-inducing almost motorbike-like riding experience. This is accentuated off-road, where a rider’s lower average speed is under the motor cut-off point for more of the time, so suddenly the hefty Trekking makes complete sense.
DRIVE MOTOR  The EcoBike is powered by an innovative hub-mounted, brushless permanent magnet motor with a triple planetary gear drive system and proprietary heat resistant materials.  The propulsion system delivers the highest torque and is the quietest in its class.  The drive motor is nominally rated for continuous output at 360 watts (Elegance & Adventure) and 290 watts (Vatavio).
E-bikes use rechargeable batteries and the lighter ones can travel up to 25 to 32 km/h (16 to 20 mph), depending on local laws, while the more high-powered varieties can often do in excess of 45 km/h (28 mph). In some markets, such as Germany as of 2013, they are gaining in popularity and taking some market share away from conventional bicycles,[1] while in others, such as China as of 2010, they are replacing fossil fuel-powered mopeds and small motorcycles.[2][3]
In a parallel hybrid motorized bicycle, such as the aforementioned 1897 invention by Hosea W. Libbey, human and motor inputs are mechanically coupled either in the bottom bracket, the rear wheel, or the front wheel, whereas in a (mechanical) series hybrid cycle, the human and motor inputs are coupled through differential gearing. In an (electronic) series hybrid cycle, human power is converted into electricity and is fed directly into the motor and mostly additional electricity is supplied from a battery.
Both land management regulators and mountain bike trail access advocates have argued for bans of electric bicycles on outdoor trails that are accessible to mountain bikes, citing potential safety hazards as well as the potential for electric bikes to damage trails. A study conducted by the International Mountain Bicycling Association, however, found that the physical impacts of low-powered pedal-assist electric mountain bikes may be similar to traditional mountain bikes.[68]
Controllers for brushless motors: E-bikes require high initial torque and therefore models that use brushless motors typically have Hall sensor commutation for speed and angle measurement. An electronic controller provides assistance as a function of the sensor inputs, the vehicle speed and the required force. The controllers generally allow input by means of potentiometer or Hall Effect twist grip (or thumb-operated lever throttle), closed-loop speed control for precise speed regulation, protection logic for over-voltage, over-current and thermal protection. Bikes with a pedal assist function typically have a disc on the crank shaft featuring a ring of magnets coupled with a Hall sensor giving rise to a series of pulses, the frequency of which is proportional to pedaling speed. The controller uses pulse width modulation to regulate the power to the motor. Sometimes support is provided for regenerative braking but infrequent braking and the low mass of bicycles limits recovered energy. An implementation is described in an application note for a 200 W, 24 V Brushless DC (BLDC) motor.[43]

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Electric bikes are categorized by classes: Class 1 ebikes are pedal-assist cycles with a top speed of 20 mph. (Some localities have banned Class 2 and Class 3 ebikes, which are throttle on demand.) The trick to using a Class 1 bike is to, well, pedal. “If the pedals stop, the bike doesn’t go,” says Saltvold, who describes using an ebike as akin to running on a moving walkway in an airport terminal. Whitaker notes that customers say they switch off the pedal-assist to get more exercise, then turn it back on when going up a hill or wanting to increase their speed.
You should also think about how much gear you are going to need to carry. The reason this will affect your decision is because some electric bikes don’t have the capability to mount a front rack while others do. Plan on doing a 3-day trip? You could probably get away with just a rear rack. My advice though would to be to purchase an electric bike with the capability to mount a front rack as well. This way, if you decide to plan a longer trip in the future, you can simply buy a rack and be on your way instead of potentially having to buy a new bike.
Others questioned the weight. The Indiegogo campaign claims the steel-framed e-bike weighs just 45 pounds complete, but that’s highly unlikely, says Court Rye, owner of the Electric Bike Review website. He’s posted an 18-minute YouTube video of his thoughts about the Storm eBike that he says tries to strike a balance of appreciation for the low price point and realistic expectations.
To help the rider find the perfect fit, the stem is adjustable. The bike also boasts dynamo powered lights alongside hydraulic disc brakes. The bike will suit riders from 4 ft 10 to 6 ft 5, and also integrates with a child seat. The total weight is 21.8kg, making it admittedly a fairly hefty folder – but that’s fairly uniform across electric versions.
The Panasonic Akku cells used in this pack are among the best lithium polymer cells Panasonic makes, which is one of the finest names in the industry for lithium battery technology. This means the pack will give you years of long life without worries about a battery fire or breaking down. The battery, along with the rest of the components of this electric bike, come with a 2-year warranty. The bike comes with a relatively fast 200-watt charger that will refill this pack in only 2.5 hours. And the battery locks into the bike with a key lock, good for preventing theft. The battery pack includes a built in battery meter that shows battery level whether it’s on or off the bike.
Come for the price, stay for the awesome. The August Live! LS is one of the lower-cost e-bikes you’ll find. What it lacks is gadgets it makes up for in flare and retains just what you need. You won't find a digital display or integrated lights, Instead you get trendy, chopper-style handlebars, a sweet paint job, and a 250 watt motor that is more than capable of tackling steep hills without a second thought. That said, this bike just begs to be ridden on casual cruises down the boardwalk or bike path.