Shimano GRX Di2 SERIES

Shimano GRX Di2 Series – Hydraulic Disc Brake System

Engineered for precision, control, and next-level performance, the Shimano GRX Di2 Series delivers a seamless blend of electronic shifting and powerful hydraulic braking, built for riders who demand confidence across mixed terrain.

Designed with real-world riding in mind, this system offers clean integration, refined ergonomics, and consistent braking performance, giving you full control in any condition.

Performance Overview

• Integrated Di2 electronic shifting for fast, precise gear changes

• Hydraulic disc braking system for powerful and consistent stopping

• Smooth modulation for maximum control across varying terrain

• Advanced heat management for stable braking under load

• Built for long-distance comfort and high-performance riding

Advanced Control & Ergonomics

• Gravel-optimised lever design for enhanced grip and stability

• Anti-slip textured brake levers for improved control in all conditions

• Refined ergonomics to reduce hand fatigue on longer rides

• Adjustable lever reach for a personalised riding position

Smart Di2 Technology

• Wireless Di2 connectivity for a clean, modern cockpit

• Customisable shifting via Shimano E-TUBE Project app

• Three programmable buttons per lever

• Long-lasting battery system using CR1632 cells

• Compatible with satellite shifters

Braking System

• Hydraulic disc brake system with flat-mount calipers

• ICE TECHNOLOGIES for efficient heat dissipation

• One-Way Bleeding system for easy maintenance

• Clean hose routing with simplified installation

• Consistent braking performance in all conditions

Technical Specifications

• Use: Gravel / Cyclocross / Performance Riding / E-Scooters

• Shifting System: Electronic Di2 (2x12-speed)

• Brake Type: Hydraulic Disc Brake

• Mounting: Flat-Mount

• Brake Fluid: Mineral Oil

• Hose Length:

  • Front: 1000 mm

  • Rear: 1700 mm (shortenable)

• Lever Material: Aluminium

• Caliper Material: Aluminium

• Handlebar Compatibility: 23.8 mm / 24.2 mm

Compatibility

• Recommended Rotors: SM-RT64, SM-RT70, SM-RT800

• Compatible with Shimano Di2 ecosystem

• E-TUBE Project supported

What’s Included

• Shimano GRX Di2 Dual Control Lever Set

• 2 × Hydraulic Brake Calipers (Flat-Mount)

• Brake Pads (Resin with cooling fins)

• Pre-filled Hydraulic Brake Hoses

• Mounting Hardware and Adapter Kit

• CR1632 Batteries

Lifty Insight

A premium system built for riders who want clean cockpit design, precise shifting, and powerful braking in one setup. Ideal for those pushing performance while maintaining full control and comfort on every ride.