SRAM’s lightest, stiffest, and most accurate integrated power meter and chainring combo is now on Force. Quarq D-Zero technology is accurate to +/-1.5% and isnt affected by temperature changes, and the consistent 13-tooth gap on the rings ensures fast and reliable shifting. Integrated rings are also incredibly long-lasting. * X-Range gearing technology gives you more range and a smoother gear progression, so youre always in the right gear* Power meter is fully integrated into the chainring set for lighter weight* Power readings are accurate within +/-1.5% and arent affected by climate conditions during a ride* Measures right and left leg power balance* Unique chainring shape results in a lighter weight, stiffer, more durable crankset* DUB bottom bracket adds durability, simplicity and broad compatibility* SRAM Model ID: FC-FRC-P-D2