ST-RX815 GRX Di2 DISC BRAKE/SHIFT SET

Product Information

The Shimano GRX ST-RX815 Di2 Hydraulic Disc Brake/Shift Lever delivers a refined control experience tailored for gravel and mixed-terrain riding. These levers combine precise 2x11-speed electronic shifting with robust hydraulic disc braking, offering a confident and fatigue-reducing interface on rough surfaces. The unique ergonomic design, with its anti-slip textures and elevated hood shape, ensures your hands remain securely positioned, providing superior grip and leverage when you need it most.

This system integrates seamlessly into your Di2 setup, offering customizable shift modes and responsive braking performance crucial for variable terrain. It's built for reliability and consistent function, whether you're on smooth pavement or challenging gravel paths.

Features

• GRX gravel-specific hood and lever ergonomics, including a raised hood head and recessed finger notch for secure grip
• Anti-slip textured surface on hood and brake lever for enhanced control in wet or rough conditions
• DUAL-CONTROL technology for integrated 2x11-speed Di2 shifting and hydraulic disc braking
• Servo Wave brake technology for improved modulation and quick pad engagement
• Higher brake lever axis positions the pivot point for more natural leverage, reducing hand fatigue
• Two E-Tube ports per lever for wired Di2 connection and system customization via E-Tube Project software
• Support for Synchro and Semi-Synchro shift modes
• Reach adjust with tool to fine-tune lever position for various hand sizes

Specs

• Drivetrain Speeds: 2x11-speed
• Brake Type: Hydraulic disc brake
• Caliper Compatibility: BR-RX810 flat mount (sold separately as part of a set, or compatible with)
• Shifter Body Material: GFRP (Glass Fiber Reinforced Polymer)
• Brake Lever Material: Aluminum
• Hydraulic Fluid Type: Shimano mineral oil
• Claimed Weight (Levers, per pair): 373g