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The Shimano Altus FD-M2000-DS6-SET Triple Down Swing front derailleur is designed for 3 chainrings and 9 sprockets.
Features:
Use: Mountain biking, touring
Groupset: ALTUS
Model: FD-M2000-DS6
Mounting: High clamp - High clamp position
Clamp diameter: 34.9 mm (28.6 mm / 31.8 mm with adapter)
Cable routing: Dual Pull
Chainrings: 3-speed
Rear Derailleur Speeds: 9-speed
Largest chainring: 40 teeth
Total capacity: 18 teeth
Compatible chain: HG 9-speed
Chain angle: 66–69°
Chainline: 50 mm