Riding a bike in the world we live in today, with higher gas prices and the ever increasingly popular green movement, is becoming more and more the method of transportation for many individuals.  Naturally, taking a bike takes longer, meaning you need something to pass the time on your way to work, school, or play.  While you can obviously use any mp3 or CD player, the danger in that is that if you’re really in your own little world blaring away to your tracks of...