Originally Posted by tcsmedes
This is potentialy a real newbie question, but I am so I will ask, wouldn't a Camelback work for this or are they banned equipment? If they are allowed, what would be the downside to wearing one?
Bobby Julich (Pro Rider for CSC) has worn a camelbak under his jersey for TT's and such. Supposedly it gives a better aero arc to his back and is also easy to drink out of.