How to use CO2 when changing a bike tire
(From http://www.dcrainmaker.com/2008/08/how-to-use-co2-for-cycling-beginners.html)So perhaps you were like me – afraid of the little cylinder. Perhaps you thought it would just simply explode on you, or that when you went to use it you’d end up putting more CO2 into the the sky than into your tube. Or perhaps you’ve just been perfectly content with pumping up your tube while sitting on the side of the road cursing whatever it was that just flatted you.
Whatever the reason is, it’s time to get over that fear of CO2 and start making your life much easier.
How to fit a road bicycle
(From http://www.bikefit.com/s-13-road-bikes.aspx)Overview
This article is focused on road bike fitting and not bike sizing. Often these two descriptions become intertwined but they are completely different. With that said, fitting a road bicycle works best when you start with the right size bike; or at a minimum a bicycle that is close enough to your right size.