Shimano GRX BR-RX820 Disc Brake Caliper Size:Front 25" headtube frames

25" headtube frames

To achieve this

Cerakote high performance ceramic coating increases abrasion resistance by more than 100 times while increasing corrosion resistance more than 1000 times over traditional metal finishes and paint coatings

A faster-gripping initial braking force always gives the feeling of full control

the GX Eagle rear derailleur delivers unprecedented shifting performance

Shimano GRX BR-RX820 Disc Brake Caliper Size:Front 25" headtube framesThe 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