Range is a key consideration with e-bikes, and is affected by factors such as motor efficiency, battery capacity, efficiency of the driving electronics, aerodynamics, hills and weight of the bike and rider.[36][37] Some manufacturers, such as the Canadian BionX or American Vintage Electric Bikes,[38] have the option of using regenerative braking, the motor acts as a generator to slow the bike down prior to the brake pads engaging.[39] This is useful for extending the range and the life of brake pads and wheel rims. There are also experiments using fuel cells. e.g. the PHB. Some experiments have also been undertaken with super capacitors to supplement or replace batteries for cars and some SUVS. E-bikes developed in Switzerland in the late 1980s for the Tour de Sol solar vehicle race came with solar charging stations but these were later fixed on roofs and connected so as to feed into the electric mains.[40] The bicycles were then charged from the mains, as is common today. While ebike batteries were produced mainly by bigger companies in past, many small to medium companies have started using innovative new methods for creating more durable batteries. State of the art, custom built automated precision CNC spot welding machines[41] created 18650 battery packs[42] are commonly used among Do-it-yourself ebike makers.
The complete integration of the Optibike is achieved from the ground up with a disign focused on high performance, safety, and ease of operation. Front and rear long travel suspension with disc brakes gives the rider confidence. The fully integrated package gives the utmost in convenience allowing the rider to ride on road, off road and the up or down the steepest hills. Optibike is in a class of its own. The Monocoque frame has sleek styling and a low center of gravity for stable handling. All electronics and long-running battery are safely housed inside the frame.
Thank you Clean Republic for coming to my rescue when I had a battery issue last year. Under Warranty at 11.5 months, they without hesitation sent me an entire new $355 Battery pack when mine began to fail. I've gotten so much life, miles, and usage out of my Hill Topper from this first one and am about to replace the batteries again from so much more love on them. Seems the hub motor is going to last forever and that's what counts! Thanks guys! :)
E-bikes are zero-emissions vehicles, as they emit no combustion by-products. However, the environmental effects of electricity generation and power distribution and of manufacturing and disposing of (limited life) high storage density batteries must be taken into account. Even with these issues considered, e-bikes are claimed to have a significantly lower environmental impact than conventional automobiles, and are generally seen as environmentally desirable in an urban environment.[65]
The F1-trained engineers at William Advanced Engineering assisted with the electrical parts and the result is a 250W motor that provides pedal assistance via the front hub – which is a highly unusual approach –  drawing power from a 300Wh battery pack that sits in a bag and goes on the front where the Brompton luggage rack would normally sit. You can also opt for a larger bag that holds both the battery and your spare suit or laptop or whatever. 
Electric Bike Conversion Kit Systems Now Available from one of USA’s Leading IBD Distributors Philadelphia, PA: Electric Bike Technologies USA, a manufacturer specializing in affordable high-quality electric bicycle conversion kits, announced that their EBikeKit ™ and E-TrikeKit™ systems are now available via J&B Importers. With J&B’s extensive network of authorized dealers, the conversion kit products will now be readily available throughout the country at most local bicycle shops. Of the...

“I can go on Alibaba, buy parts, set up shipments, and get people to buy these things,” she says. “The question comes on the support side. Will they have spare parts? Will they have tech support? Do they carry insurance? Real manufacturers of e-bikes have serious insurance in case something goes haywire or someone has an accident. That’s $20,000 to $30,000 a year.”
This bike impressed me right when I saw it. I love that Haibike offers spec-heavy options with the Yamaha PW system. I think the PW system gets a bad rep sometimes for being less powerful than the Bosch, but to be totally honest not everybody needs the power of a Bosch system. Haibike makes up for the lower torque of the PW system by offering a premium Shimano Deore XT drivetrain with 20 speeds. This is great for riders who want to stay in the action a bit more, but still not arrive sweaty and out of breath.
Electric Motor. Having a battery that will last long is just one piece of the puzzle. The electric motor should be powerful enough to move the bike on flat surfaces without any problems and to overcome some low-steep slopes. It will help you out on steeper slopes, it won’t let you down. If the motor or “the engine” is more powerful you’ll be able to accelerate faster and to reach a higher momentum. This will allow you to reach your destination faster and without you getting tired.
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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).[79] 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.[79]
We're gald to announce that we finally released the new 1500W BEST system. The new motor has been possible thanks to the manual winding which offer enhanced performance. With a top speed of 60km/h on a standard 27.5" mountain bike, a torque of 150Nm, and a maximum power of 2200W ( with the 48V battery) the BEST 1500 sets new standards for high performance ebikes. It's possible to buy just the motor and controller, and combine them with a custom battery up to 72V for a maximum power of over 2800W. In addition to that, the system has the full connectivity with the Smartbox module: by your smartphone you can change the motor settings to match your daily needs.  Beyond the Limits.
The F1-trained engineers at William Advanced Engineering assisted with the electrical parts and the result is a 250W motor that provides pedal assistance via the front hub – which is a highly unusual approach –  drawing power from a 300Wh battery pack that sits in a bag and goes on the front where the Brompton luggage rack would normally sit. You can also opt for a larger bag that holds both the battery and your spare suit or laptop or whatever. 
Running Errands, Getting Groceries, Replacing the mini-van: An electric cargo bicycle is a new breed of vehicle, half bicycle, half electric vehicle. The Mundo Cargo Utility Bicycle rides like a regular bike and gives you the capacity to haul at least 6 large bags of groceries. You can then save money, conserve resources, stay healthy, change your mobility, and transform your world.
“At $500 apiece,” he says, “the company would be selling e-bikes at a loss, once they factored in product liability insurance, quality control, regulatory compliance, safety testing, and post-sales service and support. Chinese e-bikes could certainly ‘leak’ into the U.S. market near that cost, be sold as a loss leader, or be marketed directly on eBay, but a fully costed business model could potentially lose up to $250 per bike.”

The G-10 features a top-tube mounted on-off button and ‘set’ button for one of four power modes, all linked to a Groove Go wheel mounted motor via a removable clip-lock battery stashed under the down-tube. Kalkhoff has paired this with a mid-range Shimano Tiagra 1x10 speed drive-train and effective Shimano M396 hydraulic disc brakes. A nice touch is the anti-slip ‘grip-tape’-covered flat pedals, perfect for a bike to be ridden around town without specialist shoes.

Designed for the same maneuverability as a non-electric bike, this roughly $3,000 model designed for the city can handle hills and distance. Using a Bosch motor for 100-mile cycling on flat or hilly terrain and a lightweight aluminum frame, the Dutch-made Gazelle model aims for a “sporty posture” and “precise cycling performance” in a robust offering.
Designed for riding around town, this pedal-assist bike has four levels of electric assistance – Eco, Tour, Sport and Turbo – and a maximum assisted speed of 20 miles per hour. This is a well designed and engineered bike, with Shimano Nexus components and a Bosch Performance electric-assist mid-drive system. Front and rear lights are included, and you can even use the battery to charge your smartphone. The integrated ring-lock will help deter would-be thieves, but it’s always best to back this up with a dedicated bike lock.

Added help on the hills: An extra boost on the hills or when cycling into a headwind is probably the first thing most people think about when they’re considering an electric bike. If you live in a valley where the only way out is up, then having a bit of motor assistance may mean the difference between a happy cycling experience and not cycling at all.
Is it worth $1700? I’ll let you be the judge. I don’t have a lot of experience with commuter ebikes so I don’t know how it compares. I do know that most of the ebike conversions I’ve seen look like science experiments. The Buffalo could pass for a normal bike, and look a little more accessible to a first time ebike user. So, although I’m not planning on riding this, I am planning on using it. So I’ll keep it around for a while and let you guys know what I think long term.
The wiring could be better, but I think I’m going to make some adjustments to that myself. It’s also worth noting that the motor is in the rear hub just like a basic commuter ebike. This will affect the way it feels, as bottom bracket motors give a more seamless “pedal assist” experience. Of course, this bike seems like it’s made as practical transportation. To me, anything that gets cars off the road is a good thing so lets take it for a ride.
It will be of little surprise to learn that the Hanebrink all-terrain vehicle was designed by six time Mountain Bike national class champion and former U.S. National Team member Dan Hanebrink. It's based on 1993's Extreme Terrain fat tire pedal bike and is made to order at the Fortune Hanebrink workshop at Big Bear Lake, California. Echoing the philosophy of many electric assist bicycle makers, Hanebrink says: "We are not trying to replace standard bicycles, we want to replace cars and trucks."
So instead of giving US companies breathing room to manufacture their own e-bikes, the tariffs are largely just hurting the US electric bicycle industry by preventing it from importing and selling affordable e-bikes, without solving the underlying reasons causing US e-bike companies to choose not to manufacture their e-bikes in the US in the first place.
For many bikes, battery range is more important that total power (because they're all pretty powerful). You want a bike that delivers a range long enough for your rides at the power levels you want. Most e-bikes will have three to five levels of assist kicking in anywhere from 25 percent of you pedal power to 200 percent boost. Consider how fast the battery takes to recharge, especially if you'll be using your bike for long commutes.
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