Originally Posted by first trip

hi im back.
i want to know what material is the bike.
i would like to add a motor that allows to help me CLIMB HILLS and give negligeable resistance when i am not using the bike.
what voltage? hum i guess at the moment i look at 24 volts.
front motor seems like less work since with rear you have to sometime modify the gears. is there advantage to putting it on rear instead of front?
anyone knows the 2 drop out of this bike please thank

welcome to any advice comment or experience sharing tx