SRAM Rival Inner 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 Inner Drivetrain Speeds12Chainring BCD107Variant and MFG#33t 2x12s 107 BCD00. 6218. 029. 00335t 2x12s 107 BCD00. 6218. 029. 001 | Sram | Rival Inner Chainring 35T 2X12S 107 Bcd | Aluminum