I built a etec powered 48 volt trike. I started out with a bicycle frame and went from there. I also left the pedals and chain drive so i could pedal it. (for the law ) this thing is crazy. globs of power , will run 50 mph but i run an average of 35 to 40. the motor is controlled by an altrax 400 amp programmable controller and the battery's are 75 amp hour. weight with me is about 450 lbs. I use the worksman wheels and maxis tires. no issues except has lots of torque steer but that is very manageable once use to it. Range is above 44 miles as that is as far as Ive gone so far, not from dead battery's , just as far as Ive gone on my daily commutes
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