Hope EVO GR4 4-Piston Hydraulic Disc Brake Set - Left Post Mount,

Hope EVO GR4 4-Piston Hydraulic Disc Brake Set - Left Post Mount, Braided Hose Reference Number: 3OW0MV

Experience unparalleled braking power with the Hope EVO GR4 Left-Hand Disc Brake and Lever Set - the ultimate choice for demanding mountain biking, downhill, enduro, and e-bike applications. Crafted for riders seeking maximum control, precision, and durability, this high-performance hydraulic brake system features cutting-edge engineering and premium materials to elevate your cycling experience.

Materials & Construction

Built with a robust one-piece caliper design, the Hope EVO GR4 combines exceptional stiffness with lightweight performance, enhancing lever feel and brake modulation. The braided hydraulic hose ensures superior durability, flexibility, and resistance to the elements, making it ideal for all weather conditions. Designed in sleek black and orange accents, this set adds a bold style statement to any bike build.

Performance & Engineering

The EVO GR4 is engineered with four high-precision pistons featuring larger diameters, providing an increased power ratio for maximum stopping force. Its roller bearing main pivot and dual guide bushes ensure pistons move smoothly and straight for reliable, consistent braking performance. The innovative bore cap design reduces caliper width for ease of installation and compatibility with a wide range of frames, while the new cam design minimizes free lever stroke, enhancing feel and modulation during aggressive riding.

Components & Technology

Equipped with adjustable reach and contact point settings, the EVO GR4 allows riders to fine-tune braking feel for optimal control. The integrated bleed port in the master cylinder simplifies maintenance and bleeding procedures, enabling quick, residue-free fluid refreshes without removing the lid. Note: this set is compatible with non-vented rotors and is sold without rotors, providing flexibility to pair with your preferred disc sizing.

Style & Use Case

Designed for gravity riders, downhill racers, and e-bike enthusiasts, the Hope EVO GR4 excels in high-stress riding environments requiring powerful, precise braking. Its aggressive lever ergonomics and weather-resistant features offer comfort and security during intense descents. Whether navigating technical trails or high-speed descents, this brake system enhances confidence and control.

Key Features:

- Left-hand hydraulic disc brake with post mount caliper

- 4-piston design for superior stopping power

- Braided hydraulic hose for durability and flexibility

- Increased piston size for enhanced power ratio

- Adjustable reach and contact points for customized fit

- Roller bearing main pivot and guide bushes for smooth piston operation

- Compact bore cap design for versatile frame compatibility

- Bleed port integrated into master cylinder for easy maintenance

- Fits non-vented rotors (sold separately)

Upgrade your ride with the Hope EVO GR4 Disc Brake and Lever Set - engineered for maximum performance, durability, and control in demanding cycling conditions. Optimize your braking system today for safer, more confident rides on every trail.

• High-performance four-piston disc brake designed for gravity and e-bike applications, offering maximum stopping power and reliable control.
• Constructed with premium materials including a one-piece caliper for superior stiffness-to-weight ratio, ensuring consistent braking performance even under demanding conditions.
• Features advanced tech such as larger pistons and a new cam design for increased power and improved modulation, along with a roller bearing main pivot for smooth, responsive lever action.
• Built with durable braided hydraulic hoses and a sleek black/orange finish, combining style with corrosion-resistant components for long-lasting, aggressive riding.
• Easy to install and calibrate with adjustable reach and contact point, plus a bleed port for simple maintenance-perfect for riders seeking precision, durability, and high-end engineering.

Item Specifications Brake Lever Actuation Hydraulic Brake Caliper Type Post Mount Rotor Included No Brake Lever Use Left Color Black/Orange Hydraulic Fluid Type DOT Pad Compound Organic Adjustable Reach Yes Adjustable Contact Point Yes