I dunno when this was posted but was an interesting read.
http://www.traxxas.com/support/pub/2..._challenge.htm
Finally the facts about the breakdown in the outlaw class as well.
Good stuff,
J~
Edit: oh the exploded assembly parts views and parts lists (including optional parts) are up as well.
http://www.traxxas.com/products/nitr...revo_views.htm