Wide link design Dyna-Sys 10-speed Deore MTB front derailleur. Top swing design with a wide pivot link for greater torsional rigidity improves shifting response & service life. Multi-fit compatibility means that this front derailleur will fit any frame type or seat tube size. Cable routing for down pull dyna-Sys 10-speed MTB drivetrain compatibility. Reinforced steel chain guide offers high strength & rigidity for enhanced shifting response.