GRX FD-RX815 Di2 Front DerailleurOperates with Shimano Di2 for digital electronic shifting Chainline is increased by 2.5mm over conventional front derailleurs for greater tire clearance in the front 17t front range provides more gear range in the front
| Double or Triple | Double |
| Drivetrain Speeds | 11 |
| Derailleur Capacity | 17 |
| Front Derailleur Clamp | Braze-on |
| Front Derailleur Cable Pull | Electronic |
| Front Der/Shifter Compatibility | Shimano Road Di2 |
| Max Ring (teeth) | 50 |
| Front Derailleur Style | Traditional |
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