SRAM Quarq XX1 Eagle DUB

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.