Go to the shop you brought it from and get it quoted for crash damage, Cannondale do crash replacement.
I did not know this, it was bought online though, so not sure if that impacts things
If you brought it new, then go to any shop that sell Cannondale and provide Proof of purchase.
@KarlMarx started
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Go to the shop you brought it from and get it quoted for crash damage, Cannondale do crash replacement.