Rival AXS E1 hlc Flattop technology creates a quieter

Flattop technology creates a quieter

Smaller folded size makes them ideal for frames with downtube storage

the tire designed for exploring beyond the road

or front and rear for short track racing

Rival AXS E1 hlc Flattop technology creates a quieterChain 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 Mount Standard