Description
2-piston hydraulic disc brake caliper flat mount system Shimano 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
