With the right bags you sure can pack alotta stuff...Im gonna try to remember what all we packed with us on our last trip:
2 leather jackets and vests, 2 chaps, bike cover, laptop and carring case, 2 cell phones and chargers, digital camera, maglight, K-Bar, seafoam, plexus, 7 shirts, 4 jeans, 2 shorts, enough undies and socks for 4 days, shaving cream, razor, toothbrushes, toothpaste, contact cleaner and case, 2 day ride glasses, 2 night ride glasses and a spare set of glasses, mapbook, sunblock, suntan lotion, eye drops, bike lock,kickstand plate, a towel, first aid kit, micro fiber towels, cold weather gloves x2, fingerless gloves x2, facemasks x2, 2 hoodies, batteries, she brought some sandles and makeup and hairspray and lipgloss and brushes and combs, her own soap and shampoo and conditioner and all the assorted crap women drag along with them. 2 helmets, some bottled water and some munchies...and probably more that I am forgetting. And the majority of it packed in water tight bags.