Originally Posted by tallbikeman

I don't have experience with the modern style of MTB and these ultra long seatposts. I have broken a couple of steel frames with ultra long seatposts. The frames did not break where I expected but more toward the bottom bracket. The frames I broke were heavy duty and designed for longer seatposts. I've never broken a frame using short seatpost lengths. I'm over 220lbs and this may also explain why I worry about this type of design.