Quarq DZero AXS XX1 Eagle DUB Direct Mount MTB Power Meter

Magic Zero: Automatically check and recalibrates your power meter to ensure it is always accurate. AXS™ app: Easily update firmware and view power meter metrics. OmniCal: Swap chainrings without affecting accuracy. 10K TEMPERATURE COMPENSATION: Each power meter is programmed with over 10,000 data points to eliminate temperature effects on power measurement. For use with XX1 Eagle DUB 8 bolt cranks only. Not compatible with 3 bolt cranks.