SRAM RED AXS Aero Power Meter Chainring Kit - 12/13-Speed, 8-Bolt, Direct Mount, Black, E1

When you need the absolute best from your training data, the pro-proven accuracy and reliability of the RED AXS power meter is the way to go. Integrated into the chainring itself, it’s light, stiff and aero, accurate to +/-1.5% even as weather conditions change, and retains chains even when you hit rough stuff.

• AXS enabled for easy monitoring and firmware upgrades
• Single-ring drivetrain simplifies functionality
• Fully integrated power meter into a direct mount aero chainring
• Power readings are accurate within +/-1.5% and aren’t affected by climate conditions during a ride
• Ant USB type power meter type
• X-Sync wide-tooth, narrow-tooth chainring technology provides maximum chain control