Maximize your speed and efficiency with the SRAM Red E1 Aero Chainring. Designed for high-performance road and gravel riding, this chainring delivers smooth, precise shifting and optimized power transfer across 12- and 13-speed drivetrains. Its direct mount 8-bolt design ensures a secure fit, while lightweight, aero-focused construction reduces drag for faster, more efficient rides. Key Features: 12/13-Speed Compatibility: Smooth, precise shifting with modern SRAM drivetrains. Direct Mount 8-Bolt BCD: Secure, easy installation with perfect alignment. Aero-Optimized Design: Lightweight construction reduces drag for faster rides. High-Performance Power Transfer: Delivers efficient pedaling and consistent performance. Durable & Reliable: Engineered to withstand rigorous road and gravel use.