Sram red etap 2x11 groupsetthe sram red etap 2x11 road groupset totally revolutionises road bike gear shifting with its wireless operation and motorsport inspired paddle shifting simply flick the left lever for an easier gear the right lever for a harder gear or both together to change chainring there are no shift cables to tension or wires to run so you can simply charge it up install sync and ride removal of those untidy outer cables not only provides a more aesthetically pleasing look