Originally Posted by godspiral

I would rather see a power limit than a speed limit, or make a dual limit: ie. A motor cannot assist more than 100W over 20mph. A lot of drivers very courteously stay behind you on busy streets if you are doing 35kph or so, and traffic is heavy enough. On part of my commute, help getting to 50kmh or 60 kmh would let me take a whole lane to avoid poor condition gutters.

Even though I average under 20mph cruising, assist up to that speed is not worth the hassle of charging it and the extra weight.