Shimano GRX FD-RX810 Front Derailleur (2 x 11 Speed) (Braze-On) (Bottom Pull)

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The Shimano GRX FD-RX810 front derailleur offers lighter front shifting and extra front tire clearance for gravel bikes.


  • An ergonomic power curve and link (toggle) construction help to provide a natural stroke feeling when shifting
  • An additional 2.5mm is added to the chainline to provide more room for wider tires (up to 42mm)
  • Link (toggle) construction allows for more cable routing options
  • Integrated cable tension adjustment

Speed: 2 x 11 Speed
Shifter Compatibility: Shimano Road (2 x 11 Speed)
Shift Mechanism: Cable Actuated
Front Derailleur Style: Down Swing (High Clamp/Traditional)
Cable Pull: Bottom Pull
Max Chainring: 48T
Derailleur Capacity: 17T
Chainline: 47mm
Chainstay Angle: 61 - 66°
Color: Silver/Black
Weight: 96g

This product was added to our catalog on August 13, 2019

Jeff Addicott
Verified Owner
Thursday, Jul 6 2023 (8 months ago)
Shimano GRX FD-RX810 Front Derailleur (2 x 11 Speed) (Braze-On)
Read the manual! All the way through! Twice! And Google up a tutorial on newer Shimano front derailleurs. (Apparently the latest Ultegra, 105 & probably others are the same design.)
This is NOT your younger brother's front derailleur. If you just slap it on and try to wing it, things may go badly.
The H adjustment screw does not set an outer stop - it behaves the opposite! The more you tighten, the farther the plates go out. If you monkey around with cable tension to gain more outer travel, you might mess up some delicate machine threads. (Don't ask me how I know...)
Taking off the previous generation Ultegra unit, I admired its elegant simplicity and wished this newfangled GRX were more like that.
But, once you get through the learning curve, I suppose it is somewhat user friendly. For all the complication, you do get easier shifting action.