The aerobottle is intended for the seatmast as that has been shown to reduce the most amount of drag. And yes, they rattle in the cage, are a b*^ch to remove. I find squeezing the bottle, then pull is the technique.
I wanted a P1 version but settled for the Blue TTX 9.0 instead as I didn't wanna wait (a few months back when I got it) and also realized I can save some.
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