Getting to and fro by bicycle is one of the simplest, cheapest and most environmentally-friendly way to travel.  If you’re out fighting crime with the kids, however, you should note that their beady little eyes are watching you at all times, and copying everything you do, so you need to remember that you're not really Batman and Robin, and therefore not invincible, which is why your cycling skills are going to need to be top-notch. Bicycle Safety.