Shimano Ultegra RD 6800 SS 11 Speed Rear Derailleur Parts Road Derailleurs

Shimano Ultegra RD 6800 SS 11 Speed Rear Derailleur. Shimano Ultegra 6800 is 11 speed is here, and along with improved shifting performance, this new ground up design is more compact and lightweight than the previous 6700 version, and an all new spring mechanism ensures that shifts are equally executed and flawless across the entire cassette range. This short cage derailleur is designed to handle a max 28t cog 11 speed cassette, so you sprinters, peloton goers, racers in any category, and enthusiasts who like to keep it fast can experience a whole new menu of gearing options for max performance.