MICROSHIFT ADVENT X DROP BAR SHIFT LEVER SETHIGH-PERFORMANCE SHIFTINGShifting performance is highly important out on the roads or gravel. With a high-performance shifter, you'll have precision shifting so you can get into the gear you want to be in. The micro SHIFT Advent X Drop Bar Shift Lever Set is compatible with Advent X rear derailleurs and cassettes. They offer the simplicity of a 1x setup combined with a modernized gear range to help you ride everywhere you want. Features Shift levers are separate from brake lever to avoid accidental braking External shifter cable routing with internal brake routing Left side brake only for 1 x 10 setups | Microshift | Advent X Drop Bar Shift Lever Set | Black | 1X10-Speed, Advent X Compatible Only | Aluminum