Check the listing for details. microSHIFT ADVENT 9-Speed Rear Derailleur for Touring & Commuter Bikes, Medium. Color: Black, Condition: New. Listed at 36.85 USD. Designed with the rider in mind, the ADVENT rear derailleur packs trail-ready features into an attainable wide range drivetrain system. The derailleur kinematics are precisely tuned to use a more direct cable patch, making the shifting feel consistent across the lowest and highest gears, and everything in between.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. Item Specifications: Rear Derailleur Mount Type, Shimano Rear Direct Mount, Drivetrain Speeds, 9, Cage Length, Medium, Chain Wrap Capacity (teeth), 41teeth, Largest Cog, 42, Color, Black, Rear.