Originally Posted by
SJX426
I am completely confused! Doesn't stack height apply to both above and below the head tube? I don't think I have ever seen a difference of 7mm on the bottom side of the head tube1
What am i missing?
Now that's a good point! Typical framebuilding rule of thumb is to account for 13mm of headset between the fork crown and the bottom of the head tube. Obviously no amount of headset height above the head tube would affect the head tube angle.
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