Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit 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.

10
votes
2answers
917 views

What should I do to get an older bike into good condition

I recently bought a hybrid human/electric bicycle at a garage sale, and I've been working on getting it into usable shape again. It is about 10 years old, and needs some work. The battery was quite ...
8
votes
3answers
1k views

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 ...
18
votes
5answers
10k views

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?
6
votes
5answers
7k views

Can I use an RC motor to make my bike electric?

I would like to make my ebike to have the minimal look, so adding big hubs or mid drive motors isn't really an option since it also costs more. I found this Keda brushless outrunner 2000w 190KV motor ...
24
votes
2answers
7k views

How much motor do I need for my electric-assist bike?

I take my twins to preschool by car, and I'd like to switch to doing it by bike. There's a hill, and we're heavy, and I'm not in great shape, so it's hard. I've done it a few times, but I always ...
6
votes
3answers
1k views

Hybrid electric bikes, how do they work?

I'm about to move further away from work, so my 5.5 mile commute is going up to 12 miles (24 there and back). I'm not interested in using an elecrtic bike because I can't be bothered to pedal.. I ...
3
votes
2answers
3k views

Bosch battery stopped charging

It is a Bosch powerpack 500 and the other day it stopped charging. The charger seems to have some output since one of the LEDs on the battery lights up. It is only one LED though and I believe I ...
7
votes
10answers
4k views

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 ...
6
votes
1answer
4k views

Electric Bike (eBike): Freewheel or Regenerative braking?

Not asking for opinion which one is better, so please do not state without some reasons why one is better than another on eBike. Question is: Freewheel or Regenerative braking is more efficient in ...
4
votes
2answers
2k views

What is the process of adding a light to a Yamaha PW equipped ebike?

I recently got a bike with a Yamaha PW system. The bike computer has a light on/off button but the bike itself has no light and I want to add one. How do I do this? From what I understand, I need a ...
3
votes
2answers
2k views

Do DC HUB Motors For Electric Bikes use regenerative braking?

Or do I need a special control circuit aside from the included electronics?
2
votes
4answers
943 views

Replacing quick release wheel with ebike - motored wheel

I intend to upgrade my FireFox Sniper V to electric, by replacing the front wheel with a motorised kit wheel. My question is that the wheels (both) are quick-release: is it safe to motorise this bike....
1
vote
2answers
754 views

tricycle engine compatibility?

Hi I was wondering if any bike engines would be compatible for a adults tricycle? An example of the bike I am talking about: TinyURL: http://tinyurl.com/otuo2d2 Thank You
1
vote
0answers
54 views

Busettii electric questions

Anyone know which wires come out of this controller? One is not connected and I don't know where it goes! Thanks so much!]1