• Erm, changing post height is not the same as changing crank length as far as I know, they are two different measures in regards of your position and body angles on the bike. I can be wrong of course, I'm still a newbie about these things.

  • changing post height is not the same as changing crank length as far as I know

    And no-one suggested it was: if you change the length of your crank, you will need to adjust the height of your seatpost.

  • I was referring to amey posts, he is simulating crank length changes moving the post, but I might have misunderstood

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