Maybe there are different size mules? Mines an '07
I have to basically undo all of the straps, unzip main compartment and then try to ram the 3 litre bladder into the back compartment, after I get it in there and use slightly unnecessary force to do the zip up the back panel is all bulging out and not that comfortable.
I'll try the plastic bag tip thanks, and I already have to use the mesh outer pocket for the jacket, with a full bladder all I can fit in the main compartment is a pump and 2 inner tubes.
RE posts about how much water I *need* to carry that isn't really the point but to answer I find I get through 3 litres in around 4 hours riding. Plus most of my riding is at weekends after I've had a few drinks the night before so I start a bit underhydrated.
Will take a look at the dakine nomad to…