Shimano GRX BR-RX820 Black Disc Brake Caliper Left Hand Disc Brake

Enhanced control with better modulation and quicker initial braking point

• The GRX BR-R820 disc brake caliper brings a new level of control to gravel cycling with enhanced modulation and a quicker initial braking point. And despite its smaller construction, the system is quieter and easier to maintain.

Features

• 10 % wider pad clearance decreases brake noise
• Maintenance-friendly bleeding process

ONE WAY BLEEDING

• ''ONE WAY BLEEDING'' was developed for quick and easy prevention of air in hydraulic system. We have streamlined the oil route throughout the system to prevent air bubbles from being captured in the system.
• One way oil routing plus a funnel tool with mineral oil provides an easy and clean bleeding system.