Originally Posted by
Miele Man
If you have a large handlebar bag you can make an adapter that fits on your seatpost and holds the handlebar bag BEHIND the saddle.
Here is one I made using an old cut-down handlebar and an old threadless stem.
BTW, rolling clothing up takes less space than does folding it.
Cheers
you're not the only one with a suggestion for a seatpost bag, but the OP specified that he's using a carbon seatpost. I'm not sure I'd want to introduce those forces there.
Good tip though!