Shimano xt m770 top swing 9sp front mechthe xt front derailleur offers high quality 9 speed performance and reliability for demanding mountain bikers featuresdual pull design for use with top or bottom cable routingreinforced light weight chain guide adds rigidity and improved responsewider pivot link increases torsional rigidityeasy access angled adjustment screws and clamp boltangled inner chain guide tail for increased tyre clearancedesigned with mega9 compatibility for narrow 9 speed chains