Sram: A single chainring with a wide-range cassette is a wonderfully clean way to tackle so many disciplines, and we’re the 1x leaders. Our Apex 1 Wide Crankset features aluminum crankarms, a light and stiff DUB spindle, and elegant and secure direct-mount X-SYNC chainrings for flawless chain management. The wide chainline accommodates wider tires for any type of adventure.FEATURESSingle-ring drivetrain simplifies functionality and reduces weightWide chainline crankset to fit the biggest gravel tiresLonger DUB crank spindle accommodates both Road and MTB width frame bottom bracket standards for unmatched cross-compatibility across brandsCompatible with 135mm, 142mm, and Boost rear spacingX-SYNC wide-tooth, narrow-tooth chainring technology provides maximum chain controlDUB bottom bracket adds durability and simplicity SPECIFICATIONSSpeeds: 12BB Compatibility: All SRAM Road WIDE DUB BBs, except AiChainring Size: 40TCrank arm length: 160mm, 165mm, 170mm, 172.5mm, 175mmChainline: n/aBB Spindle Interface: DUBChainring material: SteelGuard: n/aBolt Circle Diameter (BCD): Direct Mount (DM)Crank arm material: AluminumColor (Crank arm): BlackPower meter: n/aPower Meter Type: n/a