The Avenir Bigmouth seatpost bags are really nice and come in three sizes. The Serfas SB-2 large stem bag is pretty big (7.75" x 3.5" x 1.5") and attaches to the stem and top tube. The Inertia Designs Portage Pack and Triangle Bag are pretty neat too.
Last edited by EsoxLucius; 06-30-11 at 08:19 AM.