microSHIFT Advent 1 x 9 Speed Drivetrain Groupset - 11-46TmicroSHIFT Advent 1 x 9 Speed Drivetrain Groupset 11 46T The microSHIFT Advent 9 speed drivetrain groupset includes a shifter, derailleur and cassette so you can convert your bike to a wide range 11 46T, 9 speed groupset. As a drivetrain only groupset, it can be paired with any 9 speed 1x chainset and Shimano or SRAM hydraulic disc brakes for reliable stopping power. Overall, this groupset provides a fantastic way to upgrade your bike without breaking