I would first ride the 3 different classes of ebikes to decide whether you want a throttle or not, and whether you want pedal assist to 20 mph or 28 mph+. I currently own 11 ebikes. I'm 61 and ride at least 18 miles a day. I go up hills faster than down. I enjoy peddling with assist from 18 to 23 mph. Class 1 only goes to 20 mph. I like peddling hard up a hill and going as fast as I can. Usually 25 mph or so up a pretty steep hill that I go about 20 downhill. I prefer class 3 as I think a throttle can help a rider avoid problems if needed, and helps to start to get to speed.