The Shimano GRX FD-RX820 front derailleur offers lighter front shifting operation and easier setup thanks to its toggle link construction and integrated cable tensioner. Features include a 2.5 mm outboard chain line design that provides wider tire clearance for mixed-terrain riding and it accommodates a 17t front chainring range for wider gearing options.Smooth and natural shift action with Toggle Link for lighter front shifting +2.5mm chainline vs. conventional road from derailleurs offers clearance for wider tires 17t range provides a wider range front gearing Routing options include bare shift cable and integrated cable housing stop for precise and easy front derailleur adjustment Designed for 47mm chainline For 63°-66° chainstay angle
| Double or Triple | Double |
| Drivetrain Speeds | 12 |
| Weight | 96 |
| Derailleur Capacity | 17 |
| Front Derailleur Clamp | Braze-on |
| Front Derailleur Cable Pull | Bottom Pull |
| Front Der/Shifter Compatibility | Shimano Road |
| Max Ring (teeth) | 48 |
| Front Derailleur Style | Topswing |
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