Shimano Dura-Ace 9150 Di2 Braze-On Front Derailleur

- Ergonomic Shifting Operation Without Stress
- Shimano Synchronized Shift
- Race Endurance For Less Damage In Crush
- Quick And Smooth Front Shifting "Under" High Pedaling Torque
- Maintains Compact And Smooth Appearance
- Top Gear Teeth: 46-55T
- Chain Stay Angle: 61-66°
- Chain Line: 43.5mm