SHIMANO
Shift/Brake Lever Shimano GRX ST-RX820 Left, 2-speed
Shift/Brake Lever Shimano GRX ST-RX820 Left, 2-speed
The Shimano GRX ST-RX820 is a left-hand 2-speed STI Dual Control lever developed specifically for gravel and cyclocross riding. It combines precise front shifting with powerful hydraulic disc braking in one ergonomic unit, delivering enhanced control on mixed terrain and confidence on technical sections.
The gravel-inspired lever and hood ergonomics ensure a natural hand position and comfortable grip, even on long rides. An anti-slip textured brake lever improves grip in wet and dusty conditions. Shifting performance is as light and smooth as Shimano’s top-tier road systems, providing fast and accurate response in every riding situation.
- Application: Gravel, Cyclocross
- Group: Shimano GRX
- Model: ST-RX820-L
- Type: Dual-Control (STI)
- Mount: Left
- Front speeds: 2-speed
- Optical gear display: No
- Reach adjustment: Yes, with tool
- Handlebar diameter: 23.8 mm / 24.2 mm
- Cable port: Straight
- Brake type: Hydraulic disc brake
- Recommended hose: SM-BH90-JK-SS
- Recommended caliper: BR-RX820
- Recommended rotor: SM-RT800 / SM-RT70 / SM-RT64
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Shimano is a Japanese component manufacturer that since 1921 has been one of the world’s largest suppliers of bicycle drivetrains, brakes and cycling-specific parts. Shimano groupsets — from Tourney for city bikes to top-tier Dura-Ace — are found on virtually every serious bike brand. The company also makes fishing tackle and rowing components.