Shimano GRX RX820 Adjustable Seatpost Shift/Disc Brake Kit - Front


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Product ID: GM090723-14

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keyboard_arrow_right Description

Shimano GRX RX820 Adjustable Seatpost Shift/Disc Brake Kit - Front


Keep it simple with the Shimano GRX RX820-series. 12-speed mechanical shifting is here for gravel – no need to charge those pesky electronic batteries with tried-and-true cable actuation. Configure your dream drivetrain with 1x, 2x, and dropper post remote options. The updated hydraulic brakes provide excellent power and modulation with 10% more pad clearance - making brake rub a thing of the past. A redesigned mounting bracket favors compatibility with flared handlebars and an anti-slip coating on the levers offers a secure grip, perfect for challenging terrain. Designed to perform, GRX 12-speed is ready to take on whatever adventure awaits.


  • Mechanical gravel shifting for any adventure
  • 12-speed shifting offers intermediate steps for optimal cadence
  • Three different left brake lever options: 1x (brake only), 2x, and dropper post remote
  • Dropper post remote (ST-RX820-LA) is compatible with 99% of dropper posts on the market (cable head must be at the shifter end)
  • Shift levers are designed to work optimally with flared handlebars
  • Anti-slip lever coating provides braking confidence in wet or muddy conditions
  • Textured hoods for a secure grip on bumpy terrain
  • BR-RX820 brake calipers are quieter than ever before with 10% wider pad clearance
  • Maintenance-friendly bleeding process
  • Shifters are compatible with 12-speed Shimano mechanical road/gravel derailleurs including 105 mechanical
  • Not compatible with 12-speed mountain bike derailleurs


  • Shifter Style: Lever (Road)
  • Speed: 12 Speed
  • Derailleur Compatibility: Shimano Road (12 Speed)
  • Shift Mechanism: Cable Actuated
  • Adjustable Reach: Yes
  • Brake Type: Hydraulic
  • Brake Fluid: Mineral Oil
  • Brake Mount: Flat Mount
  • Brake Pads: Organic/Resin
  • Hose Length: 1700mm (Rear)
  • Color: Black

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