Wide link design Deore M531 front mountain bike derailleur Wide pivot link design 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 can be used with frames built for top or bottom pull derailleurs Mega 9 drivetrain compatibility Reinforced steel chain guide offers high strength & rigidity for enhanced shifting response Maximum capacity of 22 teeth&44; & up to 48 tooth chainring Weight: 171 grams