Shimano GRX FD-RX820-F Front Derailleur – 12-Speed Double Braze-On Down Swing Down Pull 48t Max. 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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