SRAM, Rival D1 Wide 1x, Crankset, Speed: 12, Spindle: 28.99mm, 46, DUB, 175mm, Black, Road Disc

• 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