Reach new goals and explore new roads with a power meter that delivers on accuracy, durability and reliability. The SRAM Quarq DZero DUB Spider Power Meter is built with broad compatibility, working with most 10 speed and 11 speed chainrings. Build the power meter that best fits your bike - choose between a 110 BCD or 130 BCD power meter spider, the crank length to fit you, and the compatible SRAM DUB bottom bracket for your bike.

Specifications
Bluetooth Low Energy and ANT+ wireless data transfer
MagicZero: automatically checks and recalibrates your power meter as you ride - no manual calibration required
AxCad: no cadence magnet required
10K Temperature Compensation
Battery: CR2032, 200-hour battery life, tool-free change
OmniCal: swap chainrings without affecting accuracy
IPX7 waterproof rating
Accuracy: within 1.5%, measuring both legs
BB Compatibility: All SRAM Road DUB BBs
Bolt Circle Diameter (BCD): 110 BCD, 130 BCD
BB Spindle Interface: DUB
Power Meter Type: ANT+ and BLE