I can't buy a generator from Amazon or ebay so what should i choose ?

i'm working on Bike power Generation and i have problem in choosing the generator. my options are motors then transform them into generators. options are ( Water pump (1hp) - Washing Machine motor - treadmill motor - car Alternator )
What should i use and what modification i should do ?! 

Have you tried Banggood

https://www.banggood.com/search/generators-for-wind-turbine.html

First you should learn patience, as I really fail to see why you need to ask a question here and open a topic on top of it.
Won't work faster and only causes problems and confusion....

kelseymh1 month ago

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