https://www.renehersecycles.com/introducing-rene-herse-cantilever-brakes/
These look the part but are pretty expensive.
Expensive, but also having stripped the old ones I have it's the same thing, without the triangulated design but beafier chunk of aluminum... If anything it makes me want to use them more.
@Georgel started
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https://www.renehersecycles.com/introducing-rene-herse-cantilever-brakes/
These look the part but are pretty expensive.