One of the reasons you bought that slick Open carbon fiber frame was to stay ahead of the pack. Way ahead of the pack. The Open Cable Entry Guide gives you another opportunity to put some distance between yourself and the rest. The Cable Entry guide makes Open's frame hydraulic or SRAM XX1 1x11 shift compatible. Just select the Entry Guide that suits the shift system you will be using, install, and watch as the rest of the field gawks and slips into your dust cloud.The Open Cable Entry Guide is available in Acros hydraulic, SRAM XX1, or standard shift configuration.