Originally Posted by
treadtread
I use the same bag, but I have the base MTX Explorer rack. Works fine for me - I load my laptop (in a sleeve) in one of the panniers, clothes in the other, lunch, patch kit and other miscellaneous stuff in the main compartment.
Only problem I have is: when I am not using the panniers, and the bag is not loaded, it can rattle a bit in the rails. Easily solved by sliding in a piece of paper under the bag when I'm latching it to the rack.
That is almost exactly, point-for-point, what I was going to say, right down to the rattle when not loaded. I keep my clothes in the main pocket though.
I also recently broke the clip on my PDW Radbot while removing the bag. The light was mounted to the rear of the rack via a Planet Bike rack mount. Also, the disc version has very bulky attachment points. I had to file down a couple of corners to get them to play nice with my frame.
Overall, it's a very nice system.