Originally Posted by
taz777
^ I did look at that one. I have two issues at the top tube triangle. The down tube is welded to the top tube for a distance of around 3 to 4 inches from the head tube, so I'd only be able to use the rear strap.
How long are the straps for the top tube? The circumference of my top tube is a little over 6 inches.
Here's some close up photos to show the potential issue:

Houston, we have a problem.
That is an issue. For the TT bag I have you would need to add velcro to the first two straps. Not hard really, just some sections stuck to the original to extend it.