jmaher: The pannier attachment systems that I found working well with Crossrack include Arkel Cam-Lock, Basil Solen system, Carradice C-system, Inertia Designs bungee suspension, and Minnehaha Bag hooks (you may need to tie a knot or add a hook to the lower elastic cord yourself). But as jur pointed out, you can simply add a sleeve to Crossrack's tube to thicken it.