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There's no set industry standard on how to test shocks, so QA1 has created its own by dyno testing every shock it makes. The dyno is essentially a load cell that measure how quickly the shock rod accelerates in inches per second on both compression and rebound for a given amount of force. During the testing process, QA1 simulates suspension loads and bumps of varying degrees to make sure the shocks perform as expected. Each click of the adjustment knob is also tested to ensure that it changes the valving as it should.