Designed with the rider in mind, the ADVENT rear derailleur packs trail-ready features into an attainable wide range drivetrain system A perfect choice for commuter or touring bikes that will benefit from using a wide range, 1x gearing system Direct path cable routing for smooth, responsive shifting No clutch for ultra-smooth shifting Compatible with 11-42T 9-speed cassettes Compatible with ADVENT shifters only Steel cage with aluminum outer link Rear Derailleur Mount Type: Shimano Rear Direct Mount Drivetrain Speeds: 9 Cage Length: choose; Medium, or Long Chain Wrap Capacity (teeth): 41 teeth (medium cage); 47 teeth (long cage) Largest Cog: 42 Rear Der/Shifter Compatibility: microSHIFT ADVENT Color: Black