microSHIFT ADVENT X Drop Bar Shift Lever Set 1 x 10-Speed ADVENT X Compatible OnlymicroSHIFT ADVENT X Drop Bar Shift Lever Set 1 x 10 Speed ADVENT X Compatible Only. For adventures that need drop bars and a wide gear range microSHIFTs ADVENT X 110 drop bar shifters are just the ticket. Compatible with ADVENT X rear derailleurs and cassettes these shifters offer the simplicity of a 1x setup combined with modernized gear range to help you ride everywhere you want. Shift levers are separate from brake lever to avoid accidental braking