SRAM Rival Chainring SRAM Rival AXS Chainrings feature a tight and consistent 13-tooth gap between chainrings delivers accurate and dependable shifting. Features Crisp and accurate front shifts Durable finish X-Range gearing technology gives you more range and a smoother gear progression, so you're always in the right gear Available combinations: 48/35, 46/33SPECIFICATIONSRing Position/Type Outer Drivetrain Speeds12Chainring BCD107 | Sram | Rival Chainring 48T 2X12S | Aluminum