The X-SYNC Road 107BCD Chainrings incorporate SRAM's wide-tooth, narrow-tooth technology to ensure excellent chain control, keeping your ride smooth and reliable. Their laser-etched finish enhances durability for long-lasting performance. Featuring X-Range gearing technology, these chainrings offer a wider gear range with seamless shifts, helping you maintain the right gear effortlessly. Installation requires just a single tool, making gear changes quick and straightforward. This chainring is designed to support your riding experience with ease and precision. FEATURES: SRAM X-SYNC wide-tooth, narrow-tooth chainring technology provides maximum chain control Laser-etched chainring finish is more durable X-Range gearing technology gives you more range and a smoother gear progression, so you're always in the right gear Can be installed with a single tool, making gearing changes a breeze SPECS: Chainring size: 36T, 38T, 40T, 42T, 44T, 46T Bolt circle diameter (BCD): 107 BCD Speeds: 12, 13 Compat - Yaw: n/a Material (chainring): Aluminum Color (chainring): Black, Grey