Using more metal in its construction than its top-shelf Dura-Ace kin, the Ultegra rear derailleur enjoys enhanced durability for lasting performance
Wide pivot design increases rigidity to resist unwanted movement or twisting when shifting, improving shifting precision and speed
Short cage length is compatible with up to a 30T rear cassette sprocket, letting you use a cassette with a wide gear range for easy-spinning comfort, even on sharp hills