Hi, you are looking at a 12s SRAM Rival AXS/ETap rear derailleur with a medium cage (36t max cassette).

Used with some scratching damage to the lower of the body. The mech is in full working order and the damage doesn't affect performance.

No battery included.

On any surface you can imagine, in any drivetrain configuration, the Rival eTap AXS rear derailleur will handle it. Secure chain management and fast, precise shifting make for a smooth and quiet ride, every time.

+Wireless electronic eTap shift logic for intuitive shifting, easy setup and reliability.

+Compatible with both 1x and 2x drivetrains.

+36t cog max derailleur works with 10-28, 10-30, 10-33, and 10-36 cassettes.

+SRAM AXS™ enabled, allowing easy personalisation.

+Chain management keeps the drivetrain quiet and secure.

+X-SYNC pulleys for increased durability and efficiency.

+Speed (RD): 12s

+Max tooth: 36

+Cage material: Aluminium

If you have any questions, please feel free to ask. Thanks for looking.