Product details
Shimano GRX ST-RX610 Shift/Brake Lever with BR-RX400 Front Brake – Left/Front – 2x – 12-Speed – Black
The Shimano GRX ST-RX610 dual control lever delivers light, responsive shifting with gravel-specific ergonomics for improved control on mixed terrain. Paired with the BR-RX400 flat mount hydraulic disc brake caliper, this setup provides confident braking power, excellent heat dissipation, and consistent performance in demanding gravel and adventure riding conditions.
Designed for GRX 12-speed 2x systems and riders seeking precise front shifting with strong hydraulic braking.
Performance & Use
2x shift/brake lever for GRX RX610 12-speed systems
Gravel-specific ergonomics with textured hood and anti-slip brake lever
Reach Adjust allows customization for hand size and riding style
BR-RX400 2-piston hydraulic caliper with ICE Technologies for heat control
J-Kit connection for easier installation and maintenance
One Way Bleeding simplifies service
Compatibility Notes
Compatible with Shimano 12-speed GRX / Road systems
Left / Front configuration (2x)
Flat mount brake standard
Uses Shimano Mineral Oil hydraulic fluid
Rotor not included
Specifications
Brand: Shimano
Model: ST-RX610 + BR-RX400
Lever Position: Left / Front
Drivetrain Speeds: 12-Speed
Shifting: 2x (Double)
Brake Type: Hydraulic Disc
Caliper Mount: Flat Mount
Hydraulic Hose Length: 1000mm
Brake Lever Actuation: Hydraulic
Adjustable Reach: Yes
Adjustable Contact Point: Yes
Pad Compound: Resin
Shifter/Derailleur Compatibility: Shimano
Front Der/Shifter Compatibility: Shimano Road
Hydraulic Fluid: Mineral Oil
Color: Black
Rotor Included: No
Condition & Packaging
Retail packaged
Full manufacturer warranty
Genuine Shimano product
Authentic, direct from manufacturer
Includes only what is shown in photos
Professional installation recommended for proper setup and warranty support.
$139.95
0.5
NEW
Shimano
Aluminum/Carbon
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Item specifics
| Condition | New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ... |
|---|---|
| Brand | Shimano |
| Part Type | Not Available |
| Color | Black |
| Material | Aluminum/Carbon |
| Size | 12-Speed |
| Department | Unisex Adult |
| Country of Origin | Japan |
