Sram Rear Derailleur RIVAL AXS E1 12-Speed Max 36T (Battery Not Included)

The brains of the operation. The Rival AXS rear derailleur is the choice for road riding, for all cassette sizes from 10-28T to 10-36T, for any terrain you cover. Precise wireless shifting with advanced chain management lets you ride with confidence anywhere. Features 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 Specifications Speed (RD) 12 Cable pull ratio n/a Cage (RD) n/a Max tooth 36 Color (RD) Black/Grey Pulley bearings material Steel Cage material (RD) Aluminum Drivetrain Configuration 2x Communication Protocol AXS Shift Technology Wireless Chain Technology Road Flattop D1, Road Flattop E1