Comfortably Smooth And Intuitive Auto-Shifting Rear Derailleur Keep Your Focus And Enjoy Comfortably Smooth Pedaling With The Inspiring And Intuitive Automatic Shifting Of The Shimano Cues Rd-U6050 Rear Derailleur. Features:- Automatic Shifting Compatibility Lets Anyone Enjoy Fun And Sporty Action Without Being An Expert- Compat… Open full product description
