• Elegant and secure direct-mount X-SYNC chainrings from the company that originated the 1x drivetrain for the ultimate in consistent chain control over the long haul.
• Direct mount chainrings in 38t through 46t
• DUB bottom bracket adds durability and simplicity
• 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, 142 and Boost rear spacing
• SRAM Model ID: FC-RIV-1W-D1

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