SHIMANO GRX HYDRAULIC DISC BRAKE BR-RX820 SetThe GRX BR RX820 disc brake caliper brings a new level of control to gravel cycling with enhanced modulation and a quicker initial braking point. And despite its smaller construction, the system is quieter and easier to maintain. BENEFIT 10% wider pad clearance decreases brake noise BENEFIT Maintenance friendly bleeding process

Sole buckle fixation adjuster ✔

Apply all over face and body every morning before sun exposure

also a light design

7 for bicycle tires in size 20" inch (ETRTO 40/62-406/428)

including Campagnolo® hollow pin chains

Reach (mm)            : 51

Suggested bottom bracket axle length: Hollowtech II

Size    ‎one

front difference      : 20T

Front speeds:2

increased rigidity and near silent running

Brake hose color (kit) 1 Black