Shifting is about feel and precision, two things the Advent MX shifter exemplifies. With all new internals, the shifter engagement has been shortened from 12 degrees to 3 degrees, giving the shifters a snappier, more playful feel. 4x quicker engagement compared to Advent X for ultra-fast shifting Updated cable entry for fast and easy cable change out Compatible with Advent MX rear derailleurs 10 Speed is backwards compatible with Advent X and Sword rear derailleurs 11 Speed is compatible with Advent MX rear derailleurs only Specifications Rear Der/Shifter Compatibility microSHIFT ADVENT X Drivetrain Speeds 10 or 11 Shifter Style Trigger Color Black Weight 123 keyword search Advent X keyword search Sword