This is an alloy frame Schwinn SC2000 I got for free. It has a $250 500W motor kit in back, with a $400 48V battery, I upgraded to a disk brake up front and took off the twist shifters for trigger shifters. Still has rim brakes in the rear.
This one is a steel frame Trek 800, It feels more responsive than the Schwinn, The motor kit was $220, same 500W geared motor as above. Added the front shocks. Normally have a downtube battery like the above bike, but in this photo using some cheap batteries in the bag,