Shimano GRX BR-RX820 Disc Brake Caliper Size:Front A special dark-touch function facilitates

A special dark-touch function facilitates the use of the bicycle lock in the dark thanks to a special imprinting

To achieve this

25" headtube frames

Devices (iOS Mobile) - iOS 13 or newer

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

Shimano GRX BR-RX820 Disc Brake Caliper Size:Front A special dark-touch function facilitatesThe 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