The heart of the SRAM Red AXS E1 Rear Derailleur is lighter, more efficient, and more capable than ever.

Covering cassette ranges from 10-28T up to 10-36T, this wireless wonder has larger pulleys to increase drivetrain efficiency, and an Orbit fluid damper to keep everything in place over the rough stuff.

One derailleur ready for 1x or 2x, on road or off.

Features:

• Orbit chain management technology keeps the drivetrain quiet and secure
• AXS enabled for easy setup, personalization, and reliability
• 16 g lighter than previous generation
• Compatible with both 1x and 2x drivetrains
• Compatible with cassettes from 10-28T to 10-36T
• Larger X-SYNC pulleys for increased efficiency
• Compatible with existing AXS batteries

Product Specifications:

• Speed (RD)    12
• Cable pull ratio    n/a
• Cage (RD)    n/a
• Max tooth    36
• Color (RD)    Black
• Pulley bearings material    Ceramic
• Cage material (RD)    Carbon
• Drivetrain Configuration    2x
• Communication Protocol    AXS
• Shift Technology    Wireless
• Chain Technology    Road Flattop D1, Road Flattop E1
• Weight (g)    262
• Weight Based On    RD RED AXS E1 MAX 36T
• Vendor Item No: 00.7518.184.000