Shimano GRX BR-RX820 Hydraulic Disc Brake Caliper - Front Flat-Mount W/Bracket 140/160mm Rotor Assembled 160mm CheckoutTitle=Wheels Manufacturing Axle #20 Covering cassette ranges from 10-28t

Covering cassette ranges from 10-28t up to 10-36t this wireless wonder has larger pulleys to decrease chain articulation and increase efficiency and an Orbit fluid damper to keep everything in place over the rough stuff

- Shimano XT 12 Speed

5 Valve Presta Freehub Body Shimano HG 11 Hub Spacing 142mm Rim Construction Carbon Wheel-Brake Comp

Model Hellbender 70 Spindle Interface 30mm Shell BSA Shell ID 33

Shimano GRX BR-RX820 Hydraulic Disc Brake Caliper - Front Flat-Mount W/Bracket 140/160mm Rotor Assembled 160mm CheckoutTitle=Wheels Manufacturing Axle #20 Covering cassette ranges from 10-28tThe 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. 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 Includes finned