not bicycles, but this is what I do when I am not talking about, reading about, or riding bicycles. I dj rock music and make mixes.
Here is the newest one. You can listen to it online or download it by clicking the down arrow, on the left-hand side. It’s free.
http://player.soundcloud.com/player.swf?url=http%3A%2F%2Fapi.soundcloud.com%2Ftracks%2F27455099 RockTits ‘In Rock’ by rocktits!