What are the pros and cons of buying a motor for a bicycle?

best electric bike motor kit image

I'm 14 and am thinking about getting a summer job. I have a mountain bike, and want to be able to get to work without freakin' pedaling everywhere. I am looking at a 80cc (66cc) bike kit that I want to put on my bike. What are the pros of a bike motor, and what are the cons (weather, reliability)

Answer
Gas motors on bicycles are called mopeds! There are reasons mopeds and motorcycles are built the way they are and not like a standard bike.

Pros to gas bike motor: None.
Cons:
Fire hazard
Gasoline fumes which are a known carcinogen or cancer causing agent
Unreliable
Extra weight when the motor dies or you run out of gas
Expensive
Depending on where you live they might be illegal

If you must have a motor other than yourself, buy an electric assist bicycle. They'll help you start from a standstill and get you to a comfortable cruising speed without too much sweat.

how do i get electric bike to spin the chain?

csmuch41

i wanted to make an electric bike but i dont know how to make the chain spin... how does it work?

does electricity and battery make it spin or what how does this all work?

Answer
You are right. An electric motor and battery are what is needed.

But most electric motors are either direct drive in the rear hub OR there is a roller that drives the front wheel directly. With your level of expertise I'd recommend getting a kit. Australia do some good ones.

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