A 13-tooth delta on all chainring pairs ensures precise shifting for any setup, as well as a less dramatic change in cadence during front shifts. Combined with our most durable chainrings ever, it’s an unbeatable combination.FEATURESX-Range gearing technology gives you more range and a smoother gear progression, so you’re always in the right gearPower meter is fully integrated into the chainring for lighter weightPower readings are accurate within +/-1.5% and aren’t affected by climate conditions during a rideMeasures right and left leg power balanceCrisp and accurate front shiftsUnique chainring shape results in a lighter weight, stiffer, more durable unitAvailable in 52/39T, 54/41T, and 56/43T chainring combosSPECIFICATIONSSpeeds 12BB Compatibility All SRAM Road DUB BBsChainring Size 52/39T, 54/41T, 56/43TBolt Circle Diameter (BCD) Direct Mount (DM)BB Spindle Interface DUBChainring material AluminumPower Meter Type Ant USB
