Optimized layup drops further grams from the hollow carbon arms X-Range gearing minimizes cadence change during a front shift One-piece 2x chainring results in a lighter weight, stiffer, more durable crankset 29 g lighter than the previous generation Crisp and accurate front shifts Ultra-light hollow carbon fiber crankarms DUB bottom bracket adds durability and simplicity Can be upgraded to a power meter SRAM Model ID: FC-RED-E1
