Stiff, strong chainrings form the backbone of our best front shifting ever. Rival 2x chainrings are a light, elegant one-piece construction so none of your effort goes to waste. A 13-tooth delta on all chainring pairs ensures precise shifting for any setup, as well as a less dramatic change in cadence during front shifts. FEATURES: Crisp and accurate front shifts 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. Available in 46/33T and 48/35T chainring combos SPECS: Chainring Size: 46/33T, 48/35T Bolt Circle Diameter (BCD): Direct Mount (DM) Speeds: 12 Compat – Yaw: n/a Material (Chainring): Aluminum Color (Chainring): Black Chainring Offset: n/a