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The 575 has a 27.2mm seat post. I noticed the seat post actually decreases in diameter as it gets near the seatpost. Why?
It seems that the smaller diameter tube would require Yeti to increase the wall thickness of the tubing, thus increasing weight. In addition the change in diameter requires additional manipulation of the tubing. It seems it would be easier and cheaper to just leave the tubing diameter the same throughout the entire tube. It also seems to me they would be able to spec out a larger diameter seatpost, which might have thinner walls thus weighing less.
It seems that the smaller diameter tube would require Yeti to increase the wall thickness of the tubing, thus increasing weight. In addition the change in diameter requires additional manipulation of the tubing. It seems it would be easier and cheaper to just leave the tubing diameter the same throughout the entire tube. It also seems to me they would be able to spec out a larger diameter seatpost, which might have thinner walls thus weighing less.