SRAM Shifter Eagle 70 Trigger 12 speed rear black with integrated clamp:

Features

• Modern shift ergonomics.
• Best in class friction management.
• Double-click downshift maintains best shift under load on pedal specific bikes. Not compatible with E-MTB – use single-click variant.
• Shared design language with Stealth Brakes to provide the cleanest looking and performing cockpit.
• Cockpit tidying Shift Housing/Brake Hose clip included.
• Integrated handlebar clamp.