Aero 1x Chainring for SRAM Red DUB crank arms.

Features
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