SRAM Red eTap AXS E1 Rear Derailleur Crank delivering the optimum durability for

delivering the optimum durability for gravel riding

or carbon fiber parts

keeping weight low

no flavors

Inflate in seconds without wasteful CO2 canisters

SRAM Red eTap AXS E1 Rear Derailleur Crank delivering the optimum durability forThe 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. AXS enabled for easy setup, personalization, and reliability 16 g lighter than previous generation Larger X SYNC