Originally Posted by
cango
See the graphic - is there a reason that they are different? Or is it just because?
In the grip part road is 23.8 and mountain is 22.2.
Makes it difficult to move parts around from mountain to road and vice versa.
When they started making ALLOY dropbars they increased the clamping area size to maintain strength. I have steel dropbars that do have the same diameter clamp area as do a MTB bar.
Cheers