Description |

The Shimano GRX ST-RX820-LA / BR-RX820 kit is purpose-built for 1×12 GRX drivetrains. This left-side control lever integrates a dropper post remote and a hydraulic brake in one compact unit, reducing cockpit clutter while adding functionality. With an ergonomic hood shape, textured anti-slip brake lever, and the proven performance of Shimano’s flat-mount BR-RX820 hydraulic caliper, this system gives gravel riders the confidence, control, and simplicity needed for mixed-terrain adventures.

Features |

• Designed for Shimano GRX 1×12 mechanical drivetrains
• Integrated dropper post remote in the left lever (10 mm cable stroke)
• Hydraulic disc brake with flat-mount caliper for modern gravel frames
• Ergonomic lever body and textured surface improve comfort and grip
• Reach adjust provides personalized lever positioning
• Pre-installed L05A resin pads for quiet and consistent braking

Specs |

Model:	ST-RX820-LA (lever) / BR-RX820 (caliper)
Drivetrain:	1×12 mechanical GRX
Brake Type:	Hydraulic disc, flat mount
Hose Length:	1000 mm (front)
Pads:	L05A resin with fins (included)
Fluid:	Shimano mineral oil
Dropper Remote:	Integrated, ~10 mm cable stroke
Lever Material:	Aluminum
Caliper Material:	Aluminum
Colour:	Black