Bicycles Stack Exchange
Bicycles Stack Exchange

Questions tagged [electric-bike]

Electric Bike (e-bike) specific issues, including batteries, controllers, chargers, and motors -- as well as the legal or social issues surrounding their use. Not for liquid fuel bike kits.

Use this tag for anything specific to electric drive bikes.

Does not cover liquid fuel bike motors or kits.

311 questions
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Why aren't electric bikes mainstream?

I've lived in different cities in Europe and Australia, and I noticed more and more the creation of bike lanes, and increases in bike commuters. Still, the number of eletric bikes in the streets is incredibly low. Although it can be said they are…
JoaoBotelho
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Why are electric bikes so expensive?

The limited selection of electric bikes available at Halfords ranges from £699.99-£1,199.99. What makes them so expensive — the dynamo, battery, or something else?
Ambo100
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Are electric bike speed limitations set in stone?

I'm thinking of getting an electric bike, and like most, it states the speed limit at 25Kph, which also happens to be the speed I typically cycle at. My question: is this speed set in stone? Is there a limiter of some kind preventing me from going…
Dmitri Nesteruk
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Can I govern an ebike down to a lower speed?

I commute on my bike for fun and exercise, but my commute has two steep hills that kill my legs and add a significant amount of time to my route. I've looked at ebikes for their electric-assist ability as a way to smooth out the steep uphill…
David
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Are there reasons not to use always the max level of assistance?

I'm using an electric bicycle to go to work. My goals are: Not to arrive late Not to sweat (too much) My bike, like most e-bikes I guess, let me choose the level of electric assistance that I wish. I understand that the range is longer with a…
Legisey
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Center motor ebike costs more, is it worth it?

I am 90% sure that I will buy an e-bike. Today one of my friends who owns an ebike strongly suggested that I should buy one with center motor, because they are more efficient and battery life will be longer. Where I live ebikes with center motor…
Kadir Erdem Demir
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9
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6 answers

Why would I use an electric bike?

I live in an extremely flat city that lies about 15m above sea level. One has to drive an hour or two to reach even rolling hills. Several decades ago, I rode quite a bit, and accumulated a decent "sport touring" road bike, a mountain bike, and a…
shoover
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Exceeding speed limit with Ebike, is battery affected?

I bought a ebike and happy with it. My 30 mins ride to work every day dropped to 15 mins. But according to law in country where I live motor stops when I exceed the speed limit which is 25km/h. Since I am using ebike just for assistance I am…
Kadir Erdem Demir
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9
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Is an e-bike more of a bicycle or more of a scooter?

With new battery technologies a new kind of "bicycle" has emerged - so-called e-bike. It usually has an electric motor on one of its wheels. The motor is powered by a rather huge (size of a small bag) battery. Pedals, star wheels and the chain are…
sharptooth
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8
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Where is the speed sensor on my e-bike?

The speed indication on my ebike is acting up - most of the time it's showing a correct reading, but it occasionally drops to impossibly low values like 2 km/h for a few seconds while riding, then it recovers. Sometimes the Bosch controller will…
user4520
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Should I consider buying a velomobile as my daily commute vehicle instead of a bike?

What are the advantages/disadvantages between a (possibly electric) velomobile and a regular bike when in daily use?
Common Louis
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Electric bike rear wheel spokes breaking

I have an electric bike with a 500w rear hub. The spokes have broken twice in the last month on the hub end of the spokes.The spokes are bent at the hub end and threaded. This is where they break. As the bike is under warranty it went back to the…
Peter Kay
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7
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Electric bike: Do I need display?

I'm planning to buy an electric bike kit. However, I don't really like adding the display for aesthetic reason. However, the display (either LED or LCD) has function on/off and low/mid/high power on some model and this confuse me. Can I just have…
Nhân Lê
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Looking for a waterproof electrical bicycle, is there such thing as ip68 for electrical bicycle?

I'm currently trying to find a bicycle brand that produces electrical bicycle with ip68/ip67 waterproof. Currently I could find any, google is not helping with my search and when I find something there is no information about to what degree the…
Jose Rocha
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EBike hub motor vs external motor

Some bikes, e.g. Busettii Vortex use an external motor, while others (by the same manufacturer) use hub motors. Busettii claims that external motors have higher efficiency (http://www.biyadii.com/), yet their top-of-the-line Big 50 model uses a hub…
alekop
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