The Washington Post has an article on kids and biking, I thought some of you would find it interesting. The thing that worries me is that none of the parents who limit their kids biking activities ever thought of taking up the activity for themselves. It seems if you are worried about letting the little ones ride too far by themselves, you could buy a bike and ride with them. Just my .02, the link is below, tell me what you think.
Bikes and Kids