so i've got a north face terra 60
http://www.campmor.com/outdoor/gear/Product___79924?CS_003=2477120&CS_010=79924
and i'd like to make it lighter some how. i know that there are some rods in the back…almost like sway bars…if i take those out to make it lighter, am i really messing somethign up? what else can i do?

