Shift/Brake Lever Shimano Ultegra ST-R8050 Di2 Left, 2-speed (for rim brake)

Shift/Brake Lever Shimano Ultegra ST-R8050 Di2 Left, 2-speed (for rim brake)

The Shimano Ultegra ST-R8050 Di2 is a left-hand 2-speed electronic Dual Control shift/brake lever designed for 2x11 road drivetrains with traditional rim brakes. The Ultegra R8050 Di2 series combines lightning-fast and ultra-precise electronic shifting with classic road bike aesthetics and professional-level performance.

Updated button feel and placement ensure precise and confident shifting, even when riding with thick gloves. An extended reach adjustment range allows fine-tuning of lever position to match hand size and preference. The programmable top ST button enables additional functions such as controlling a bike computer or changing shift modes. The Di2 electronic system delivers fast and accurate front shifting with minimal effort.

• Application: Road
• Group: Shimano Ultegra R8050 Di2
• Model: ST-R8050-L
• Type: Dual-Control (STI), Di2
• Mount: Left
• Front speeds: 2-speed
• Compatibility: 2x11 road system
• Brake type: Rim brake
• Reach adjustment: Yes
• Programmable ST button: Yes
• Handlebar diameter: 23.8–24.2 mm