One-piece 2x chainring results in a lighter weight, stiffer, more durable crankset X-Range gearing technology gives you more range and a smoother gear progression, so you’re always in the right gear Crisp and accurate front shifts DUB bottom bracket adds durability and simplicity 46/33T, 48/35T or 50/37T chainring combinations available Can be upgraded to a power meter SRAM Model ID: FC-FRC-E1