Can I replace the chainrings if they get worn? Chainrings can be replaced by user if replacing with same tooth profile. We recommend that chainring repair be done by Quarq for recalibration purposes. If a different tooth configuration is desired we require the sensor to be recalibrated. Related articles Will Changing Chain Rings or Changing Crankarm Length Effect Power Meter Accuracy? SRAM AXS & Quarq DZero Power Meter User Manual - English, European, & Asian Languages What type of battery does the C1 need? G3/G3C User Guide SRAM 1X Chain Rings. Which Quarq power meter is compatible?