Sram Sram Quarq Xx1 Eagle Dub Black

Every innovation in quarq’s dzero platform represented the 10+ years of quarq’s advances in power meter technology. This same platform is now combined with xx1 eagle™ dub carbon tuned™ crankset - lightest stiffest and strongest to date and x-sync 2™ chainring - providing significantly quieter performance with better mud clearing and extraordinary durability. Ready to power every ride. - 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 - axcad -- no cadence magnet required - 10k temperature compensation - battery -- cr2032 200-hour battery life change without tools - omnical -- swap chainrings without affecting accuracy - ipx7 waterproof rating - accuracy -- within 1.5% measuring both legs.