As cyclists who use their legs for power, Ride Velo can't help but feel superior to those who choose to rely on battery power - just look at the furore surrounding the suspected 'mechanical doping' of the U23 women's CX world championship race in Belgium on Saturday - proper cyclists don't use batteries! However, we can't deny that there are innumerable benefits to this recent technological boost to cycling. But do the pros outweigh the cons? Ride Velo investigates...