SRAM, Red eTap AXS D1, Rear Derailleur, Speed: 12, Max: 36T, Black

36t-max derailleur is compatible with 10-36, 10-33, and 10-28 cassettes
Use with XG-1270 10-36 cassette for maximum range
Battery sold separately
AXS enabled for easy personalization
Orbit chain management technology keeps drivetrain quiet and secure
0.23 kilograms