Sram: OVERVIEWIf your ride doesn’t feel complete until you get a little dirt on your tires, you know the importance of capable components that can tackle anything. The Rival XPLR eTap AXS rear derailleur is a dedicated 1x-specific unit designed for use with the XPLR 10-44 cassette. It makes for an uncluttered drivetrain that takes on pavement and singletrack with equal aplomb. Wireless and proven eTap shift logic, AXS connectivity and advanced chain management mean this derailleur does exactly what you want when you need it.FEATURESWireless electronic eTap shift logic for intuitive shifting, easy setup and reliability1x specific for use with 10-44 XPLR and 10-36 cassettesSRAM AXS™ enabled, allowing easy personalizationChain management keeps the drivetrain quiet and secureLarger X-SYNC™ pulleys for increased durability and efficiencyCompatible with existing eTap® batteries SPECIFICATIONSSpeed (RD): 12sCable pull ratio: n/aCage (RD): n/aMax tooth: 44Color (RD): BlackPulley bearings material: SteelCage material (RD): Aluminum