While your ebike may have come with flat pedals that work okay, there are still many improvements that can be made. By upgrading your flat pedals, you can have a big platform for your shoes, better grip on the pedals, and a lighter, stiffer platform. While not as efficient as a clipless pedal, these improvements will nonetheless improve your pedaling efficiency and comfort, while still being compatible with your everyday sneakers. Look for a pedal with small studs or pins on the outside. You won't feel them through your shoes, but you'll have great grip on the pedals.