- 391
- 2
- Hydraulic disc brake
- 2
- Flat mount
- 139 (Front) 122 (Rear)
Specifications
As listed in the manufacturer's catalog.
General
- Series
- GRX
- Color / 1
- Series color
- Brake type
- Hydraulic disc brake
- Brake hose (kit)
- SM-BH90-JK-SSR
- Hose joint
- Straight
- Brake hose color (kit) / 1
- Black
- ICE TECHNOLOGIES pad compatible caliper
- Yes
- Pad / Option 1
- L04C-MF Metal (w/ fin)
- Fixing screw spec for rear mount / 25 mm mount
- Yes
- Oil
- SHIMANO Mineral
- ONE WAY BLEEDING
- Yes
- Mount type
- Flat mount
- Piston
- 2
- Piston material
- Resin
- Pad mount
- Pad axle
- Average weight (g)
-
Caliper
- Material
- Aluminum
- Finish
- Painted
Caliper fixing screw
- Material
- Steel
- Tool size
- 4 mm
- Anti loosen method
- Screw fix pin+Snap ring
Variants
The manufacturer's versions of this model (code suffix, color, cage). Each figure counts spec sheets that name that exact version; most name only the model.
How spec sheets write it
The most common ways bicycle spec sheets name it, by number of mentions.
-
Shimano GRX RX820 Hydraulic
-
Shimano GRX RX820
-
Shimano GRX 820, BR-RX820, Hydraulic disc brake, Flatmount standard
-
GRX RX820
-
Shimano GRX, BR-RX820, hydraulic disc brake
-
Shimano GRX BR-RX820, Hydr. Disc Brake, Flat Mount (160/160)
-
Shimano GRX ST-RX820 Disc Brake STI's & BR-RX820 Flat Mount Calipers
-
Front: Shimano GRX RX820, Rear: Shimano GRX RX820
Bicycles
Published bicycles that use it, newest model years first.