SRAM RED eTap AXS Electronic Aero Road Groupset - 1x 12-Speed AXS Blipbox 2 Blips 2 Clics eTap AXS Rear Derailleur B1. The SRAM RED eTap AXS Electronic system is an intuitive high performance wireless groupset. At the core of this drivetrain is AXS - the electronic integration platform that allows you to easily personalize the groupset right from your phone and enable your choices while riding. Orbit chain management provides a reassuringly quiet secure and smooth ride whatever the terrain.