CHAINRING SRAM 38T DM X-SYNC RIVAL E1 BK (P)

Light, stiff, and durable direct mount chainrings let you pick the exact gearing you want and quickly swap sizes
X-Range gearing technology gives you more range and a smoother gear progression, so you???re always in the right gear
X-SYNC wide-tooth, narrow-tooth chainring technology provides maximum chain control
Improved aerodynamics for time trial and triathlon
Laser-etched chainring finish is more durable