* 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 135mm, 142mm, and Boost rear spacing* X-SYNC wide-tooth, narrow-tooth chainring technology provides maximum chain control* DUB bottom bracket adds durability and simplicity* SRAM Model ID: FC-APX-1W-D1