Are you doing the 300 or the 750 only the 750 crosses the canyon.
Carrying a bike has been discussed here a couple of time
http://www.bikepacking.net/forum/index.php/topic,695.0.html http://www.bikepacking.net/forum/index.php/topic,90.0.htmlThere is also this
http://www.bikepacking.net/forum/index.php/topic,611.0.html tons of pics of the AZT from the 300 and other full trips as well as a few of my carry setup.
Tim