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.Features:- Single-ring drivetrain simplifies functionality and reduces weight- Wide chainline crankset to fit the biggest gravel tires- Longer DUB crank spindle accommodates both Road and MTB width frame bottom bracket standards for unmatched cross-compatibility across brands- Compatible with 135 mm, 142 mm, and Boost rear spacing- X-SYNC wide-tooth, narrow-tooth chainring technology provides maximum chain control- DUB bottom bracket adds durability and simplicitySpecifications:- Speeds: 12/13- BB Compatibility: SRAM Road WIDE DUB- Chainring Size: 40 teeth- Crank arm length: 172.5 mm- Chainline: 47.5 mm- BB Spindle Interface: DUB- Chainring material: Aluminum- Bolt Circle Diameter: Direct Mount- Crank arm material: Aluminum