This lever set is ideal for use with adventure bikes when using an Advent X 1x10 groupset and a wide-ranging 10-Speed cassette. Pair these integrated drop bar shifters with an Advent X rear derailleur and cassette for a 1x setup with unparalleled range. Key Features: External shifter cable routing, internal brake routing Left side brake only for 1×10 setups Shifter levers are separated from brake lever to avoid accidental braking Crisp and positive shifting action Road brake cable pull Compatible with Advent X derailleurs only