Gravel riders demand braking systems they can trust on unpredictable terrain.
The Shimano GRX 2-speed ST-RX820 STI paired with BR-RX820 Flat-Mount hydraulic disc caliper delivers exceptional stopping power when you need it most. Whether tackling steep descents or navigating technical sections, this setup provides the control and modulation to keep you confident and safe. The 2-speed shifter lets you manage your gearing efficiently across varied surfaces, while the hydraulic disc brake system offers reliable, powerful deceleration in all conditions. Built for gravel's demands.
Features
- Greater mixed-terrain control
- Gravel inspired lever and bracket ergonomics
- Anti-slip brake lever
- Same light shifting operation as top tier road systems
- Never hesitate to tackle rough surfaces
- Excellent heat dissipation
- ICE TECHNOLOGIES
- Flat mount
- Simple set up and maintenance
- Convenient tool access
- Easy hose joint system (J-kit)
- Simple wheel replacement
- Easy and clean bleeding system
- ONE WAY BLEEDING
Specification
-
Use: Gravel, Cyclocross
-
Group: GRX
-
Model: ST-RX820-L
-
Type: Dual-Control (STI)
-
Handlebar mounting: left
-
Gear front: 2-speed
-
Optical gear display: No
-
Lever reach adjust: Yes, with tool
-
Handlebar diameter: 23.8mm/24.2mm
-
Brake-type: Hydraulic Disc Brake
-
Brake caliper: BR-RX820-L
-
Brake mounting: Flat-Mount
-
Brake pads: L05A-RF Resin with Fin
-
Brake hose: SM-BH90-JK-SS front 1000mm (shortable)
-
One-Way bleeding: Yes
-
Brake fluid: Mineral oil
-
Recommended brake rotor: SM-RT64, SM-RT70, SM-RT800
Material
-
Lever: Aluminium
-
Caliper: Aluminium
Colour
Weight
- Approx. 287g ST-RX820
- Approx. 134g BR-RX820
Contents
- 1 x GRX ST-RX820 2-speed STI Dual Control front
- 1 x GRX BR-RX820 Flat-Mount Brake Caliper
- 1 x Flat-Mount Adapter 140mm/160mm
- 1 x Brake Pads L05A-RF Resin with Fin
- 1 x Brake Hose SM-BH90-JK-SS
- 2 x Screw for brake caliper
- 1 x Tube Joint Kit
- 1 x Gear wire (Optislick)
- 1 x Gear cable SIS OT-SP41
- 1 x End caps
The brake hose SM-BH90-JK-SS is filled with mineral oil and pre-mounted on on the caliper BR-RX820
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.
Weights are based off pre-production products at time of publication. Weights may vary in final production.
