Microshift Advent Rear Derailleur 9 Speed Long Cage Wide-range gearing Wide-range gearing and modular drivetrains no longer cost an arm and a leg. Micro SHIFT's Advent drivetrain and rear derailleur are a perfect example of this development. The Advent derailleur integrates perfectly with the rest of the Advent system and even supports the massive 11-46t Advent cassette for anyone in search of massive gearing. A steel cage and aluminum outer link ensures the derailleur will be able to handle year round riding. Features Bombproof design keeps things shifting smooth all day long Supports both the 11-42t and 11-46t Advent cassettes for wide-range goodness Direct path cable routing keeps shifting smooth and responsive No clutch mechanism Drivetrain speed: 9Chainring compatibility: Single or Double Drivetrain compatibility: Advent | Microshift | Advent Rear Deraileur 9 Speed Long Cage 9 Speed, Long Cage, Black