Shimano GRX BR-RX820 Disc Brake Caliper Size:Front To achieve this

To achieve this

This enable the SPEED MULLET to work flawlessly with downtube mounted cables

Devices (iOS Mobile) - iOS 13 or newer

the GX Eagle rear derailleur delivers unprecedented shifting performance

25" headtube frames

Shimano GRX BR-RX820 Disc Brake Caliper Size:Front To achieve thisThe Shimano GRX BR RX820 2 piston disc brake caliper brings a high level of control to gravel cycling with enhanced modulation and a quick initial braking point. Despite its smaller construction, the system is exceptionally quiet and easy to maintain Features 2 piston caliper features 10% wider pad clearance to decrease brake noise One way maintenance friendly bleeding process for quick and easy prevention of air bubbles in the hydraulic system