Description

Quarq`s DZero powermeter now offered in conjunction with the tried and true XX1 Eagle Crankset with XSync II chainring Bluetooth low energy technology and ANT+ wireless data transfer MagicZero automatically checks and recalibrates your power meter as you ride – no need to manually calibrate No cadence magnet required 10K Temperature Compensation CR2032 powered, 200-hour battery life and tool free replacement Swap chainrings without effecting accuracy Accurate within 1.5%, measuring both legs