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The SRAM Red E1 aero chainring combines lightweight aluminum with direct-mount technology and X-SYNC tooth profile in 44, 46, 48, and 50-tooth options. It's for competitive road cyclists prioritizing aerodynamic efficiency.
- Single-ring drivetrain simplifies functionality and reduces weight
- Direct mount aero chainrings for better aerodynamics
- X-SYNC wide-tooth, narrow-tooth chainring technology provides maximum chain control
- SRAM Model ID: CR-XSNC-DM-E1
Pre-order — expected in stock December 12, then ships direct to you.
Pairs well with

SRAM Red E1 Aero
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