you may want to go electric. most of them only do around 15 mph and you will have to pedal assist it up the hills. i am sure someone knows about the altitude thing. as far as mechanical ability i have zero. kit said 2 hours to build and took me 2 week lol but is worth every minute of time put into it. i have both electric and gas and i perfer the gas over electric but i like to do around 30mph. if you get one you have my phone number and i will always be available to help you
paul

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