SRAM's light, stiff, and durable direct mount RED X-Sync Aero chainrings let you pick the exact gearing you want and quickly swap sizes. X-Sync technology keeps the chain where you need it to be, too.

• X-Sync wide-tooth, narrow-tooth chainring technology provides maximum chain control
• Laser-etched chainring finish is more durable than previous version
• X-Range gearing technology gives you more range and a smoother gear progression, so you’re always in the right gear
• Improved aerodynamics for time trial and triathlon