This is an awesome way to take advantage of the SWAT box, in addition to a tool pouch (came with my 22 evo pro). The caveat is that they are fragile and mine began leaking within a few motnhs of use. I procured a replacement from Specialized but that one has now begun to leak as well. The leak seems to only occur at the area where the puch meets the lid/cap. Maybe there is some weakness there? Given that there are no alternatives that fit as well I will continue to use this but it is a shame and should be fixed.

My new Stumpy Evo came with this bladder, and a water-proof tool pouch, enabling me to ditch the CamelBak and switch to a small lumbar pack. I can now keep 22ozs in a bottle, 22ozs in the downtube, for a lower center of gravity. For my shorter rides, I really appreciate the change in dynamic. When my bottle is empty, it takes just a couple minutes to refill it with fresh water from the bladder. It's a nice change. Combined with the mini SWAT tool/bottle cage, everything is compact, tucked away, and easily accessed. Downtube storage is one novel ideas that's proven surprisingly practical!