The one I have has very smooth pedal-assist (you don't even really notice there's a motor), a big battery for longer trips, and high torque at lower speeds whic

The one I have has very smooth pedal-assist (you don't even really notice there's a motor), a big battery for longer trips, and high torque at lower speeds which is critical in SF. I'm out-of-shape and I have no trouble biking ten miles to work every morning, so the utility for me is very high.