Sram Spider RED/Force AXS power meter

You give it your all and push yourself to better and better performances, sometimes under the most intense conditions. Then you should be riding with the confidence that your power meter won't cut out just when you need it most. Enjoy up to 200 hours of riding time in any weather with IPX7 waterproofing and 10k temperature compensation. When adverse weather can't hold you back, you need a product that can. That's exactly what we made the DZero-DUB™ power meter for. Train harder, ride faster, and unlock your utmost potential!

AXS™
AXS™ is SRAM's new bike component integration system that connects electronic bike components and software. The SRAM AXS™ app allows riders to view battery status, change component behavior, personalize controls, receive maintenance reminders and update firmware.

Specifications:
AXS-supported for easy evaluation and firmware upgrades.
Compatible with BLE and ANT+
Data collection with high precision of +/- 1.5%, unaffected by climate changes while riding
Power Balance measures right and left leg separately
Requires a standard CR-2032 battery, life 200 h, can be changed without tools
Bolt circle diameter: 107 BCD
Power Balance upgrade compatible with the following cranks RED and Force-eTap AXS cranks: RED 1x: 36-46 teeth, Force 1x: 36-46 teeth, Force 2x: 33/46 and 35/48