105 ST-R7120

The Shimano 105 ST‑R7120 Dual Control Lever delivers precise 12‑speed mechanical shifting with improved ergonomics and hydraulic braking confidence. Its revised lever position and reshaped bracket are designed from extensive hand‑shape studies, giving riders easier reach, smoother operation, and better comfort across all riding conditions.

• Mechanical 12‑speed Dual Control Lever

• Updated ergonomics for improved comfort and lever reach

• Light, intuitive shifting performance

• Hydraulic disc‑brake compatibility

• New blade shape for easier access with a wider range of hand sizes

• OPTISLICK cable for reduced friction

• Compatible with BR‑R7170 calipers

• Uses Shimano Mineral Oil

• Funnel bleeding compatible

• Clamp band: 23.8–24.2 mm