Originally Posted by Schwinnsta

Other than the cable would be longer, nothing is changed. The brake sees the same force. The cable is longer so there could be a very small amount of cable stretch, but it is too small to be felt. You are lifting the brake handle the same amount. That upward force stays the same. The lever arm is still the same (center of brakes to the arm of brake). If it would give you enough clearance for the fender, go for it.