It is heavy and difficult. Regenerative braking is rare. The GeoOrbital Wheel (which converts a regular bike to an electric bike by swapping out the front whee

It is heavy and difficult. Regenerative braking is rare. The GeoOrbital Wheel (which converts a regular bike to an electric bike by swapping out the front wheel) does charge the battery when you're not using the throttle. Why not use both? E-bike for commuting and regular bike for fun? Or why not get a spare battery to carry on long rides just in case?