SRAM RED AXS E1 Rear Derailleur 12 Speed Groupe The Vittoria Air-Liner system provides

The Vittoria Air-Liner system provides unmatched bump compliance and impact protection

Developed with the best male and female PRO teams

The all-new titanium eeBrake cable adjuster pivots as the brake is applied

2mm seatpost with this handy custom mount

SRAM RED AXS E1 Rear Derailleur 12 Speed Groupe The Vittoria Air-Liner system providesThe heart of the AXS ecosystem 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,