Shimano GRX 810 1x Front Brake/Dropper Lever and Caliper Set

Size: Left

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Stop, drop and control every action with the Shimano GRX 810 Brake/Dropper Lever and Caliper set, featuring a dual-control brake and dropper post lever you can adjust without having to reposition.


  • Kit includes a ST-RX810-LA dual-control lever and a BR-RX810 flat-mount hydraulic disc brake caliper for 160 mm rotor, with 8 mm cable stroke, and small parts
  • ST-RX810-LA dual-control lever with integrated dropper remote allows you to control your dropper post for improved comfort and minimized distraction on and off road
  • Curved anti-slip brake lever ensures grip in the worst conditions with optimized brake feel and power
  • Integrated cable pulling system with 8.3 mm cable stroke operates dropper post remotely
  • BR-RX810 flat-mount hydraulic disc brake caliper has one-way bleeding for easy, clean setup and maintenance
  • Hydraulic disc brake calipers provide greater braking control on mixed terrain
  • Available for front braking and dropper control only (left lever; no shifting)


View the Shimano GRX Product LineView all Shimano Disc Brake Calipers

Technical Specs

Best Use

Road Cycling

Brake Mount

Flat Mount

Number of Pistons

2 Pistons

Brake Position


Brake Lever Position


Adjustable Contact Point


Adjustable Reach


Hydraulic Fluid Type

Mineral Oil

Hydraulic Hose Length

1000 millimeters

Pad Compound

All Compound




Brake lever: 263 grams; brake: 141 grams

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