The Deore XT M771 Conventional Swing Front Derailleur offers high quality 9-speed performance & reliability for demanding mountain bikers. Dual Pull design for use with top or bottom cable routing. Direct frame fit for easy & accurate installation giving perfect alignment. Reinforced light weight chain guide adds rigidity & enhanced response. Wider pivot link increases torsional rigidity. Easy access angled adjustment screws. Angled inner chain guide tail for increased tyre clearance. Designed with Mega 9 compatibility for narrow 9-speed chains. Designed with Mega 9 compatibility for narrow 9-speed chains. 66-69 degree chainstay to seat tube angle range. 44 tooth outer ring compatible, total capacity 22 teeth.