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

The Shimano 105 ST-R7120-R is the right lever from the 105 R7100 series, designed for 2x12-speed mechanical road systems with hydraulic disc brakes.

It features Shimano’s Dual Control Lever system, combining shifting and braking into one ergonomic unit for full control without removing hands from the handlebars.

The redesigned lever body is based on extensive ergonomic research, improving comfort, accessibility and control in all riding conditions.

Key features

• Shimano 105 R7120 right lever
• Dual Control system (shift + brake)
• Compatible with 2x12-speed road drivetrains
• Hydraulic disc brake system
• Improved ergonomics vs previous generation
• Reach adjust system
• Smooth and precise shifting

Ergonomics and control

The updated lever shape reduces reach distance, improving comfort in the hoods position and enhancing control on long rides.

Reach adjustment allows customization for hand size and riding style.

This results in more natural handling and faster response during braking and shifting.

On-bike performance

Shimano 105 delivers fast and reliable shifting performance, maintaining smooth operation typical of modern road groupsets.

The hydraulic braking system ensures strong, consistent and highly controllable braking in all weather conditions.

Compatibility

• Shimano 2x12-speed road drivetrains
• Shimano hydraulic disc brake systems
• Modern endurance and race road bikes

Technical specifications

• Brand: Shimano
• Series: 105 R7120
• Model: ST-R7120-R
• Side: right
• Type: Dual Control Lever
• Speeds: 2x12
• Brake type: hydraulic disc
• Reach adjust: yes

Why choose it

• Total control of shifting and braking
• Modern Shimano 105 ergonomics
• Strong and consistent braking
• Precise and reliable shifting
• Perfect for modern 12-speed road bikes