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