Truvativ Descendant Carbon - Incompatible January 26, 2022 20:56 Updated The Truvativ Descendant Carbon cranks are incompatible. They did not pass our engineering tests and gave bad readings. Related articles Incompatible Cranks - Master List Which Cranks are Compatible with 4iiii Powermeters? Shimano Crank arm and Crankset Installation Instructions PRECISION and Podiiiium Factory Install Crank Compatibility - Master List Can I Upgrade my Left Side 4iiii Powermeter to a Dual Powermeter?