All current generation power meters feature OmniCal, with allows you to swap chainrings without affecting accuracy. Simply torque the chain ring bolts to the manufacturers specification and be sure to set the power meter Zero Offset before every ride. Nothing further is needed.
*Exceptions*
- SRAM XX1 MTB - This does NOT include the XX1 Eagle power meter.
- Any Power Meter that uses a CR2450 Battery
If you're unsure which power meter model you have, please contact Quarq Customer Service. When contacting customer service, please provide the power meter ID located on the power meter spider. The ID consists of 3 letters and 5 numbers such as; ABC12345 or 12345ABC.