Originally Posted by
seedsbelize2
I bought a Rockrider (Decathlon) brand hydration pack, 2L. The part that sits against the back looks like it moves air well. Vamos a ver. The biggest they had. And an insulated bottle just because I was there and it was too. Yesterday I bought a spare tube, and the HPX3 works fine as a pump, though it may be difficult to carry. I am now ready to hit the dusty trails. In earnest after Bob leaves toward the end of the month.
What pump do you have, Big John?
If there's room for the pump in the main triangle and you don't care much about the paint in the area, you might have an aluminium welder nearby to tack on a pump peg for you.