The SRAM Rival 38T X-sync is a light, stiff, and durable direct mount chainring. The chainring is easy to swap, ensuring you always have the right one for various conditions. X-Sync technology keeps the chain securely in place. Includes 8 chainring bolts. 12 Speed X-Sync & X-Range technology 38 teeth Light, stiff, and durable: this SRAM Rival E1 direct mount chainring offers precise gearing and quick changes between sizes. X-SYNC technology ensures optimal chain control, while the laser-etched surface increases wear resistance. Thanks to X-Range technology, a wider range and smoother gear changes are guaranteed. Designed with aerodynamics in mind – ideal for time trials and triathlons. Available in 44T, 46T, 48T, and 50T. X-SYNC chainring technology with wide and narrow teeth offers maximum chain control. Laser-etched chainring finish is more durable. X-Range gearing technology offers more range and smoother shifting. Improved aerodynamics for time trials and triathlon. Available in 44T, 46T, 48T, and 50T. SRAM Article number: Retail packaging: Yes