Originally Posted by
TimothyH
I think the 5mm is to make up for the difference between 700c and 650b.
The bike radar article says...
Cervélo’s take on the fork insert alters the position fore and aft by 5mm horizontally. As a result, Cervélo says when the bike is running a relatively slender tyre on a 700c wheel it will feel the same as when running a 650b wheel with a big 2-inch plus tyre.
They call the feature "Trail Mixer." Gotta love the marketing department.
-Tim-
Yea as someone who swaps between 700x28, 700x33, 700x40. and 650bx48 semiregularly the handling changes substantially. A change in offset would be very helpful