Quote:
Originally Posted by Bill Bumface
Isn't a bunch of force from a V or caliper brake directed through the brake to the mounts on the fork and seat stays?
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Yeah good point dude, I totally spaced and it didn't occur to me that the brakes are attached to the fork/frame.
Guess I should have drawn a free body diagram.
Either way, I still see disk brakes on a road bike as being a pretty nice upgrade.
Edit: The more I think about it the more I think I was kind of right, if not for the wrong reason.
Either way you are stressing the spokes/rim.
You've either got a tortional force on the hub that has to get transfered to the road via the spokes, or you have a a pair of approximately parallel forces on the rim (road/brake surface)
that will stress/deform it, and that's going to be transmitted to the spokes again.
It might be interesting to see what the differnt forces actually look like.