Shimano 105 ST-R7120 12-Speed Right-Hand Hydraulic Brake/Shift Lever

The Shimano 105 ST-R7120 right brake/shift lever is designed for road cyclists who want hydraulic disc braking and 12-speed mechanical shifting. Part of the 105 R7100 series.

• Hydraulic disc braking with mineral oil for precise lever control
• 12-speed mechanical rear shifting for 2x12 drivetrains
• Reach adjustable up to 13.3 mm with a 2.5 mm hex key to fit the lever to your hand
• Fits handlebars with a clamp diameter from 23.8 to 24.2 mm
• Right lever: mounts on the rear derailleur side; Optislick cable included

Technical specifications

• Model: ST-R7120-R
• Series: Shimano 105 R7100
• Side: Right
• Drivetrain speed: 2x12-speed (rear: 12-speed)
• Brake type: Hydraulic disc, mineral oil
• Shifting type: Mechanical
• Handlebar clamp diameter: From 23.8 to 24.2 mm
• Reach adjustment: Up to 13.3 mm, with a 2.5 mm hex key
• Lever body material: Composite
• Brake lever material: Painted aluminium

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.