SRAM X-SYNC™ wide-tooth, narrow-tooth chainring technology provides maximum chain control
Laser-etched chainring finish is more durable
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
SPECIFICATIONS Chainring Size: 48, 50 Bolt Circle Diameter (BCD): Direct Mount (DM) Speeds: 12 Material (Chainring): Aluminum Color (Chainring): Black Compat - Yaw: n/a