Shimano GRX RX400 2x10-Speed Left-Hand Hydraulic Brake/Shift Lever

The Shimano GRX RX400 left brake/shift lever is designed for gravel and road bikes with drop handlebars and a 2x10-speed drivetrain. It controls the front derailleur and hydraulic disc brake.

• Shift gear and brake with the same lever without taking your hands off the handlebar
• Mineral oil hydraulic brake for controlled disc brake modulation
• Adjustable lever distance (reach) to suit your hand size
• Works with FD-4700 and FD-RX400 front derailleurs and RD-RX400 and RD-4700 rear derailleurs
• Sold without calliper, hose or rotor: check that you already have these components

Technical specifications

• Type: Left lever, 2x10-speed, hydraulic brake, without calliper or hose
• Model: ISTRX400LI
• Colour: Black
• Brake fluid: Mineral oil
• Rotor included: No
• Reach adjustment: Yes
• Adjustable contact point: No
• Front derailleur compatibility: FD-4700, FD-RX400
• Rear derailleur compatibility: RD-RX400, RD-4700

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.