RED AXS Aero Power Meter Chainring Kit E1 Options:RED AXS Aero Power Meter Chainring Kit - 52t, 12/13-Speed, 8-Bolt, Direct Mount, Black, E1 Contoured for better heel stability

Contoured for better heel stability and anatomically designed for greater comfort

Rear shifter is compatible with Shimano derailleurs

one of the most fundamental elements on the earth

Mesh fabric under the arms for extra ventilation

RED AXS Aero Power Meter Chainring Kit E1 Options:RED AXS Aero Power Meter Chainring Kit - 52t, 12/13-Speed, 8-Bolt, Direct Mount, Black, E1 Contoured for better heel stabilityWhen 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, its 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