Sram Red AXS Aero E1 Power Meter Direct Mount chainring

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.

Features

• 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
• X-SYNC wide-tooth, narrow-tooth chainring technology provides maximum chain control
• Available in 48T, 50T, and 52T

Tech Specs

• Speeds: 12
• BB Compatibility: All SRAM Road DUB BBs
• Chainring Size: 48T, 50T, 52T
• Bolt Circle Diameter (BCD): Direct Mount (DM)
• BB Spindle Interface: DUB
• Chainring material: Aluminum
• Power Meter Type: Ant USB