Front derailleur. The SHIMANO GRX RX-820-F 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.
- Lighter front shifting
- Smooth and natural shift action
- Toggle link construction
- Wider tire clearance
- Chain line +2.5 mm vs. conventional road front derailleur
- Wider range front gearing
- 17T range
- Precise and easy front derailleur adjustment
- Routing options include bare shift cable and integrated cable housing stop
- Integrated cable tension adjustment
- Front speeds: 2
- Rear speeds: 12
- Compatible chain: HG 12-speed
- Action: Down swing
- Mount: Brazed-on
- Cable adjust
- Chain line: 47 mm
- Chainstay angle (deg.): 63-66
- Top gear teeth: 46-48T
- Total capacity: 17T
- Average weight: 96
