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Carbon Fiber Crush Failure Under Overtorque

Carbon fiber is strong in tension along its fibers but fails abruptly in local crushing when clamped too hard, which is why overtorquing a carbon seatpost or steerer can silently crack the laminate.

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Carbon Fiber Crush Failure Under Overtorque

Carbon fiber is strong in tension along its fibers but fails abruptly in local crushing when clamped too hard, which is why overtorquing a carbon seatpost or steerer can silently crack the laminate.