Money. I got sick of paying out for car repairs, fuel, registration, etc, etc in Perth, West Australia, and when the bomb didn't work, I got sick of the lack of flexibility in bus services, especially as I was working a evening sub-editor shift at the time on a newspaper. I sold the bomb, and biking has saved me heaps of money in the six years since (refer other threads). It's also saved me emotionally and professionally since.

I am a happy pedaller.

R