SRAM RED Crankset - 167.5mm 2x 12-Speed 46/33t 8-Bolt Direct Mount DUB Spindle Interface Natural Carbon E1Optimized 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 TECH SPECS Chainline