Shimano GRX BR-RX810-F Dealer's Manual

Shimano GRX BR-RX810-F Brake manual cover
Pages 111
Year 2022
Language(s)
English en

Shimano GRX BR-RX810-F Brake Specification

The Shimano GRX BR-RX810-F Brake is a high-performance hydraulic disc brake designed for gravel and adventure cycling. It forms part of the Shimano GRX groupset, which is engineered specifically for mixed-terrain riding. The BR-RX810-F features a sleek, compact caliper design that enhances aerodynamics and reduces weight, making it ideal for riders seeking efficiency and speed. This brake model employs Shimano’s ICE TECHNOLOGIES heat management system, utilizing a combination of aluminum and stainless steel in the rotor construction to dissipate heat effectively. This ensures consistent braking performance and reduces the risk of brake fade on long descents.

The caliper is made from a durable alloy, providing a strong yet lightweight structure that withstands the rigors of off-road conditions. The BR-RX810-F incorporates Shimano's proven one-way bleeding system, simplifying maintenance and ensuring quick and clean brake fluid changes. This system minimizes air bubbles in the hydraulic line, offering improved braking consistency and reliability. The brake's construction supports both post-mount and flat-mount frames, offering versatility for various bike setups. Shimano's Servo Wave Action technology is included to enhance modulation and braking power, providing a responsive brake feel that allows precise control over stopping power.

Designed for effortless compatibility with Shimano's STI shift/brake levers, the GRX BR-RX810-F offers seamless integration into existing Shimano systems. It supports a wide range of rotor sizes, allowing riders to tailor their setup to specific riding conditions. Overall, the Shimano GRX BR-RX810-F Brake delivers robust performance, exceptional heat management, and reliable stopping power, making it a preferred choice for cyclists exploring diverse terrains.

Shimano GRX BR-RX810-F Brake F.A.Q.

How do I adjust the brake lever reach on the Shimano GRX BR-RX810-F?

To adjust the brake lever reach, locate the small adjustment screw on the inside of the lever. Turn the screw clockwise to move the lever closer to the handlebar or counterclockwise to move it further away. Ensure the reach is comfortable and allows for optimal braking performance.

What is the recommended procedure for bleeding the Shimano GRX BR-RX810-F brakes?

To bleed the brakes, attach a bleed funnel to the lever and open the bleed port. Use Shimano mineral oil and a syringe to push fluid through the system, removing air bubbles. Follow the specific steps outlined in the Shimano manual for detailed instructions.

How can I replace the brake pads on the Shimano GRX BR-RX810-F?

Remove the wheel and locate the pad retention pin. Unscrew it and slide the old pads out. Insert new pads, ensuring they are aligned correctly, and re-secure with the retention pin. Test the brakes to ensure proper installation.

What should I do if my Shimano GRX BR-RX810-F brakes are making a squealing noise?

Ensure the rotors and pads are clean and free of contaminants. If noise persists, check for proper alignment of the caliper and rotor. Bedding in new pads can also help reduce noise.

How often should Shimano GRX BR-RX810-F brakes be serviced?

Regularly inspect the brake system every 3 to 6 months, or more frequently if used under demanding conditions. Check for pad wear, rotor condition, and fluid levels. Bleeding the system annually is recommended for optimal performance.

What type of brake fluid is recommended for Shimano GRX BR-RX810-F brakes?

Shimano GRX BR-RX810-F brakes require Shimano mineral oil. Using other types of brake fluid can damage the system and void warranties. Always use the specified fluid for maintenance.

How do I align the calipers on the Shimano GRX BR-RX810-F brakes?

Loosen the caliper mounting bolts slightly. Squeeze the brake lever to center the caliper over the rotor, then retighten the bolts while holding the lever. Check for proper alignment and adjust if necessary.

Can I use the Shimano GRX BR-RX810-F brakes with different rotor sizes?

Yes, but ensure the correct adapter is used if changing rotor sizes. Verify that the frame and fork are compatible with the new rotor size to avoid interference or safety issues.

What are the signs that the brake pads on the Shimano GRX BR-RX810-F need replacing?

Replace brake pads when there is less than 1mm of pad material left, or if braking performance has noticeably decreased. Listen for metal scraping sounds, which indicate pads are worn out.

How can I troubleshoot a soft brake lever on the Shimano GRX BR-RX810-F?

A soft lever may indicate air in the system. Bleed the brakes to remove air bubbles. Check for leaks in the system and ensure the caliper and lever connections are secure.