SRAM Rival AXS E1

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Chain management technology keeps the drivetrain quiet and secure AXS enabled for easy setup, personalization, and reliability Compatible with both 1x and 2x drivetrains Compatible with cassettes from 10-28T to 10-36T Larger X-SYNC lower pulley for increased efficiency SRAM Model ID: RD-RIV-E-E1 Attributes Max Front Difference 13T Maximum Cog 36T Minimum Cog 10T Primary Color Black Speed 12 Show more