SHIMANO
Shift/Brake Lever Shimano GRX ST-RX820 Right, 12-speed
Shift/Brake Lever Shimano GRX ST-RX820 Right, 12-speed
The Shimano GRX ST-RX820 is a right-hand 12-speed STI Dual Control lever designed for gravel and cyclocross riding, where reliability and control are essential. It combines precise rear shifting with powerful hydraulic disc braking in one ergonomic unit, delivering confidence on fast gravel sections and technical descents.
The gravel-inspired lever and hood shape ensure a natural hand position and secure grip on rough terrain. An anti-slip textured brake lever improves control in wet and dusty conditions. Shifting performance is as light and smooth as Shimano’s top-tier road systems, enabling fast and accurate 12-speed drivetrain performance in every riding situation.
- Application: Gravel, Cyclocross
- Group: Shimano GRX
- Model: ST-RX820-R
- Type: Dual-Control (STI)
- Mount: Right
- Rear speeds: 12-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.