Innovative, AccurateEvery 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 SRAM’s innovative DUB technology to bring you the simplest spider-based power meter. SimplifiedQuarq’s DZero platform, combined with SRAM’s DUB technology brings you simplified parts choices, quality materials and a broader compatibility for bottom brackets and chainrings. Power on every ride. • MagicZero™ – automatic calibration as you ride. No need to back pedal or manually calibrate through your headunit • Bluetooth low energy technology and ANT+ wireless data transfer • AxCad – no cadence magnet required • 10K Temperature Compensation • Battery – CR2032, 200-hour battery life, change without tools • Power Balance. • OmniCal – swap chainrings without affecting accuracy • 2-year warranty • IPX7 waterproof rating • Accuracy – within 1.5%, measuring both legs • Free firmware upgrades with the SRAM AXS app Essential Details• Designed for the SRAM Eagle groupsets • Only compatible with XX1 Eagle DUB 8-bolt crankset and a 104BCD X-SYNC 2™ chainring.