SRAM Red AXS 2x Chainring Teeth: 37/50 Speed: 12 BCD: Direct Mount Pair Aluminum Grey

New tooth profiles for improved wear More durable finish One-piece construction for faster, smoother, more secure shifting X-Range™ gearing technology gives you more range and a smoother gear progression, so you’re always in the right gear SRAM Model ID: CR-RED-KIT-D1