The Shimano ST-R8020 Ultegra mechanical left shifter is part of Shimano's R8000 series and is designed for riders using a 2x11-speed mechanical drivetrain with hydraulic disc brakes. It delivers responsive front shifting and powerful brake control, featuring ergonomic improvements over previous generations. The dual-control lever uses Servowave brake technology for faster engagement and improved modulation, while the mechanical shift internals offer crisp and consistent shifting under load. It’s ideal for endurance and performance road bikes.

• Designed for 2x11-speed mechanical front shifting with hydraulic disc brakes

• Compatible with Shimano Ultegra FD-R8000 front derailleurs

• Features Shimano's Servowave technology for responsive brake feel

• Reach adjust mechanism allows customization for different hand sizes

• Ergonomic lever shape with improved textured hoods for better grip

• Internal cable routing for a cleaner cockpit

• Material: carbon-reinforced plastic lever body with alloy brake lever

• Approximate weight: 275 grams (single left lever)

• Optimized for use with Shimano SM-BH90 brake hose and BR-R8070 calipers