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At 187lb you'll break them. I virtually guarantee it. Griffons more so, Jesters probably, especially because they're Schizo.
I assume you're getting Hellbents, from the 132mm bit. There are tons of bindings that any tech worth a damn can easily bend the brakes on to fit that ski. You can bend 115mm FKS brakes relatively easily to fit them. Don't get a less-suitable binding just because it's slightly trickier to get a brake that will fit.