The most advanced aluminum crankset SRAM has ever made. Bringing serious riders the exact sort of legitimate performance X0 stands for, courtesy of a ground-breaking all-aluminum design with a perfectly balanced stiffness to weight ratio. X0 Eagle Transmission (T-Type) chainring finished with a distinct, dual-spoke design. Available with a bash guard option, it’s also Power Meter ready. Sitting firmly atop an unquestionable apex of crankset advancement, the X0 Eagle Transmission Crankset is quite literally the epitome of X0.* V2 crank has one piece spindle/arm construction for even lighter weight* Lightest aluminum crankset on the market.* Power Meter ready, bash guard option available.* SRAM Model ID: FC-X0-D1