Full metal construction provides stiffness and durability in this Shimano 9-speed road compatible front derailleur. FEATURES: Full aluminum construction Compatible with 9-speed Shimano road drivetrains Designed for use with 52/42/30t chainrings SPECS: Double or Triple: Triple Derailleur Capacity: 22 Front Der/Shifter Compatibility: Shimano Road Front Derailleur Cable Pull: Bottom Pull Max Ring (teeth): 52 Front Derailleur Style: Traditional Front Derailleur Clamp: 28.6 (1-1/8") , 31.8 (1-1/4") Drivetrain Speeds: 9