SRAM Rival 1x XPLR E1

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Wide chainline for compatibility with Full Mount rear derailleurs Longer DUB Wide crank spindle accommodates both Road and MTB width frame bottom bracket standards for unmatched cr oss-compatibility across brands Compatible with 135, 142 and Boost rear spacing SRAM Model ID: FC-RIV-1W-E1 Attributes BB Inclusion No BCD Direct Mount SRAM 8 Bolt Chainline 47.5mm Crank Spindle Diameter 28.99mm Crankset Material Aluminum Drivetrain Spacing Road Interface DUB Pedals Thread 9/16'' Primary Color Black Speed 12/13 Teeth 42 Show more