- 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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