The SRAM RED eTap AXS rear derailleur is AXS enabled for easy personalization and designed for both 1x and 2x systems. Advanced chain management keeps it silent and secure no matter the terrain. The derailleur also comes with faster pulleys, bearings, motors and signals, improving speed in every way

• SRAM AXS enabled for easy personalization
  
• Orbit chain management technology keeps drivetrain quiet and secure
  
• A single rear derailleur for all gearing combinations, including 1x and 2x
  
• Improved motor and signal travel for faster shifting
  
• Larger X-SYNC pulleys and ceramic bearings for increased durability and efficiency
  
• Compatible with existing eTap batteries
  
• Speeds: 12-speed
  
• Cage: choose; short, or medium
  
• Max Tooth: 33t (short cage); 36t (medium cage)
  
• Chain Wrap Capacity (teeth): 36t (short cage); 39t (medium cage)
  
• Pulley Bearing Material: Ceramic
  
• Cage Material: Carbon
  
• Color: Black