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@gbj_tester
You're an idiot. Go back to engineering school and work out the load path before commenting further. The case of the seatstays as a beam loaded with brake reaction (whether transferred from a centre bolt via a brake bridge, or directly into the cantilever/V-brake bosses) near the middle and supported at the ends by the seat lug and dropouts is one of the simplest stress calculations on a bicycle. If you can't cope with that one, god help us if you ever choose to weigh in with your ill-informed opinion on what happens to the down tube when you apply the front brake while turning.