In a message dated 12/24/03 8:56:18 AM Pacific Standard Time,
tullio@TheRamp.net writes:
> Your example above about the Raleigh fork illustrates this. You state
> "with
> the wheel pushing straight up on that . . ." However, the fork does not
> flex upward over bumps. It flexes rearward. The fork is cantilevered off
> of the frame and its pivot point is the crown. The steerer must bow in the
> opposite direction (forward) to permit the movement at the crown.
>
I think it can be shown that the fork flexes in BOTH directions, not just
rearward and not just from the crown. If the blades are really stiff, then is
will flex mostly at the crown end, but older blades are really pretty flexible.
Stevan Thomas
Alameda, CA