Originally Posted by
spectastic
are the straps very durable? I'd hazard a guess that the bag is more stable when mounted straight to the saddle loops and seat post, which has 3 connecting points, as opposed to having the support rack, which really only has one (two if you count each rail), and nothing to keep the thing from bouncing up and down on rough terrain.
The leather straps are very durable. Mine are 10 years old and still going strong. You can also buy replacements easily.
Using the Bagman does lead to more movement; but the third bag strap is usually attached to the Bagman and bounce isn't a big issue.