Originally Posted by
ID64
Actually, my Trek was 56cm and I went down to 54 because that's what all calculator show. Why are saying that I need one size up?
Because one frame size bigger, you'll be better able to get your correct seat position, without slamming the seat, and you'll get the same drop from seat to bars without having to run a bunch of spacers under the stem.
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You could fall off a cliff and die.
You could get lost and die.
You could hit a tree and die.
OR YOU COULD STAY HOME AND FALL OFF THE COUCH AND DIE.