Truvativ Descendant Carbon - Incompatible September 23, 2020 15:54 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? Praxis Zayante Cranks Can I Upgrade my Left Side 4iiii Powermeter to a Dual Powermeter? Factory Install Crank Compatibility - Master List