A few months ago, Graham Hill (the founder of the site you're reading this on) asked me for some help inchoosing an electric bike。我想帮助，但我知道我的知识有限 - 有这么多的模型，在电池技术和电力电子中一直在进行进展 - 所以我向他指出了一个我知道的人：法院黑麦，e-bike demigod后面ElectricBikeReview.com。但格雷厄姆的问题也让我意识到他当然不是唯一试图弄清楚的人是否适合他，是什么是利弊，如果它确实有意义，那就开始了哪个模型先看看。
Why would anyone want an electric bike?
Well, electric bicycles offer the same great benefits as traditional bicycles including cost savings (no licensing or insurance required), improved health and connection with community.
The real advantage to ebikes in my view is efficiency in climbing hills or fighting the wind combined with better range. If you experience knee pain or exercise induced asthma for example, electric bikes can breath new life into the sport of cycling. They might convince your friend or significant other to join you on the trails more often or they might enable you to commute to work in extreme heat without perspiring so much. I've owned cars and mopeds before and neither felt as safe or refreshing as cycling along community paths, away from traffic.
Electric bikes remove many of the roadblocks and challenges that people face with traditional pedal-powered cycles but they aren't perfect. They can be expensive, complex and heavy which is a real pain if the battery runs out half way.
What types of riding are e-bikes best for? What are they坏for?
自美国电动自行车的早期（1999年从Lee Iacocca从1999年开始，从Lee Iacocca开始）框架款式和驱动特性真正增殖。
除了简单的DIY套件外，还有像Ridekick Power Trailer这样的系统，现在除了存储实用程序之外还添加了EBIKE性能！特别是该系统甚至比安装套件更容易，并且可以在家庭成员和朋友之间轻松分享使用常规自行车或靠卧式作为平台。
今天,它可以首先进入选举ric bikes or dip your toe in for a little taste. In some towns you can even rent electric bike to get a better feel for them... Rocket Electrics in Austin Texas for example, offers foodie tours and also has a multi-day SXSW and F1 race week package for people who want to dodge traffic and get an up close view of the city. For the purest experience, purpose built ebikes are the way to go (bikes that were designed and sold as being electric, not converted later). They are lighter, tougher and more capable than ever. Whether you need a folding bike to stow in your loft or take on a plane, a tandem to rent and ride with your friend on vacation or a downhill bomber for free riding on mountain trails (no need for a chairlift!) there is definitely an ebike out there that's fully capable.
Obviously, I'm a huge fan of the technology and it's true that the breadth of products has grown thanks in large part to widespread acceptance in Asia and Europe but there are some things ebikes still struggle with.
To be honest, I mostly use it on wet and snowy days or when parking overnight in high-crime areas where theft or vandalism could be a risk. That said, I recently picked up bicycle insurance (辐条保险和扫地管offer it in almost every state and it covers electric bikes) and am feeling a lot more comfortable from a theft and liability standpoint. To sum up the cons of electric bikes: they tend to be heavier, louder and almost always more expensive than traditional bicycles.
What are the different kinds of electric bikes and their price ranges?
迄今为止审查了300多个电动骑自行车，为每次拍摄照片和拍摄视频，并在我的网站上发布ElectricBikeReview.comthese are the primary "use cases" I've identified to help people navigate the space: Cargo Hauling, Relaxed Cruising, Trail Riding, Mountain Biking, Downhill, Neighborhood Use, Kid Hauling and Grocery Getting, Road Bike, Sand and Snow (Fat Tire), Tandem, Touring or Trekking, Traveling (Folding) and Urban Commuting.
现在有很多类型的轻型电动车辆，我实际上开始了第二个网站ElectricRidereView.comto cover electric motorcycles, skateboards and kick scooters. As far as traditional ebikes, prices really vary and can be shocking at first... so brace for impact! The low end starts around $1,000 but a recent crowd funding campaign generated a lot of attention by offering a bare bones $700 model (it was sold as $500 + ~$200 shipping).
So for example, if you live on a highway and commute 20 miles to work each day an ebike might not be a great tool. To that I say, consider renting an apartment near your job and buying an ebike!
抛开生活变化，让我们做一个快速假设的成本调整例子，如果你把所有的汽车维修措施赶走了一会儿，刚刚看了3K全新的汽车与3 00美元的全新的ebike和每加仑2美元的左汽油......平均电动自行车获得〜20英里，填充的费用低于0.15美元（甚至使用夏威夷的规模速度为0.37美元/千瓦时）。所以让我们说你的车每加仑30英里，每加仑是2美元，你的自行车得到20英里，收费为0.15美元，自行车是更便宜的方式？但那不是整个故事。优质电动自行车电池的价格从500美元到800美元替换，持续1,000多美元，所以让我们像燃料成本一样对待这一点，除以500美元/ 1,000美元的费用......我们得到0.50美元。因此，我们将$ 0.15的收费支出加入0.50美元的电池使用费用，并获得0.65美元。
Basically, electric bikes are about three times less expensive to operate than cars from a current fuel cost perspective. Beyond user operating expense they also cost less in terms of negative externalities because they don't create localized pollution which contributes to health issues and spoiled views of the mountains. Ebikes are awesome but so are cars and even when self driving electric cars replace the costs of ownership and reduce pollution, there will still be enormous health and social value to cycling... and why not have an assisted cycle?
How far can you typically go on a charge?
A good rule of thumb here is to divide watt hours by 20. So electric bike batteries have voltage and amp hours and a typical pack right now in the US is 36 volts of power with 10 amp hours of capacity for 360 watt hours total. If we divide 360 by 20 we get 18 miles. Given variation between throttle only electric bikes and pedal assist that 18 is really a floor that can go up as riders contribute pedal-power to the system or different drive systems are leveraged.
例如,mid-drive电动自行车可以受益from driving the rear cassette and gears to empower the motor for improved efficiency. In the same way that you would want to shift down when climbing (instead of standing up and working extra hard), so too does the motor and these mid-drive systems offer that flexibility because they pull the bicycle chain along with you. I've seen some electric bikes with that same "360 watt hour" battery capacity reach 50+ miles per charge on a low level of assistance (equivalent to half of the rider's pedal power output). That's pretty amazing to me.
Are e-bikes much faster than regular bikes?
In short, as you go beyond 15 mph on an ebike, drag really starts to cut into the range you can achieve so speed comes at a high price!
This is a great question! When it comes to electric bikes I usually recommend that people buy locally if possible. This is because the bike will be assembled properly, following specific torque ratings on screws and such, and will be fit to the rider for improved comfort.
我花了很多时间回答了一次性问题"Compare" sectionof the Electric Bike Review Community Forums where people share their budget, height, weight, intended use and style preference. Feel free to jump on over and ask for yourself! Alternatively, I've put together a这里列出“十大”列表that has actually grown to 26 models for 2014-2015 as I now recommend a value and performance model in 13 categories ranging from Cruisers to Kits. Bikes that I've actually purchased for myself over the years include the Pedego City Commuter, Easy Motion Neo Jumper (now replaced by the Evo Jumper) and the Haibike XDURO FS RX 27.5 but I've been eyeing the new Specialized Turbo X and Felt Outfitter which are remarkable because both companies are long standing purists that focus on performance and racing specs. Seeing them put out electric bikes is a real vote of confidence for the space.
If you'd like to learn more on the topic feel free to download my ebook called "A Practical Guide to Electric Bikes" on Amazon Kindle. The book includes photos, videos and a deeper look into topics like motor design so you can better understand the trade offs between hub motors like I had on my Pedego or mid drives like I had on my Haibike. Feel free to drop me a line anytime and ride safe out there! Oh, and if you or a friend never learned how to ride a bicycle then看看这个额外的视频，我用我的30个朋友拍了它，这是一个从未学过的朋友，就像他错过了。