DZero Eagle XX1 AXS DUB Power Meter Spider

##Quarq DZero Eagle XX1 AXS DUB Power Meter Spider Helping make training and racing more effective, Quarq’s DZero Eagle XX1 AXS DUB Power Meter Spider is accurate to +/-1.5% and can also provide cadence data without the need for a separate magnet. Calibration occurs automatically when required so there is no need to do it manually, and the CR2032 battery should last for up to 200 hours. OmniCal technology means that the 104bcd (bolt circle diameter) chainrings can be changed to suit the course or route without affecting accuracy at all. It is compatible with DUB:BSA73, PF89.5, PF92, PF30 MTB73, BB30 MTB73 and BSA MTB68SP bottom brackets.