comando sram rival etap axs hrd d1Description Wireless shifting and the best hydraulic disc braking anywhere, plus revolutionary eTap shifting logic. What more could you want? Even though we could have stopped there, we went further and optimized the hood shape to fit hands of all sizes, for comfortable and controlled braking from any position. AXS technology means customization is in your hands. Features AXS enabled for easy customization Wireless eTap electronic shifting logic for