Shimano 2-piston hydraulic disc brake caliper flat mount system GRX BR-RX820

The GRX BR-R820 disc brake caliper brings a new level of control to the world of Gravel, with improved modulation and more efficient braking. And despite its smaller size, the system is quieter and easier to maintain.

• ・10% extra pad spacing for reduced braking noise
• ・Easier bleeding process for maintenance