Shimano GRX RX600 2x11-Speed Left-Hand Hydraulic Brake/Shift Lever

The Shimano GRX ST-RX600 left shift/brake lever is a hydraulic Dual Control lever for gravel and cyclocross bikes with a 2x11 drivetrain. It controls the front chainring and disc brake with a single lever.

• Shift and brake with one lever, without taking your hand off the handlebar
• Mineral oil hydraulic disc braking for precise control
• Suitable for gravel, cyclocross and road use with a 2x11 drivetrain
• Weighs 306 g, with an aluminium brake lever
• Adjust the lever reach with a screw to suit your hand

Technical specifications

• Model: ST-RX600, GRX series, Dual Control (STI), 2-speed, left side
• Side: left
• Compatibility: 2x11
• Brake: hydraulic disc; mineral oil
• Weight: 306 g
• Materials: brake lever: aluminium; lever body: composite; clamp: steel
• Clamp diameter: 23.8 - 24.2 mm
• Lever reach adjustment: screw-type (Reach Adjust)
• Recommended calliper: BR-RX810 / BR-RX400
• Package contents: 1 x ST-RX600 lever; 1 x gear cable (1800 mm or 2200 mm)

Founded in 1921 in Sakai, Japan, by Shozaburo Shimano, Shimano is still based in the same city today. For cyclists, it makes drivetrains, brakes, wheels, pedals and cycling shoes. Its history in bicycle components began with the production of freewheels in 1922.