Shimano Ultegra ST-R8050 Di2 11-Speed Shift/Brake Lever

Effortless Di2 shifting and ergonomic comfort with the Ultegra ST-R8050-R Dual Control Lever

What Our Gearhead® Experts Are Saying:

"The Ultegra ST-R8050-R Di2 lever is all about crisp, precise shifting. I love how effortless gear changes feel—just a light press of a button, and the derailleur responds instantly. The reach adjust ensures a comfortable grip, and with Shimano’s SLR-EV braking system, modulation feels smooth and controlled on long descents. Whether racing or training, this lever keeps shifting intuitive and reliable."

For road cyclists who demand precision, the Ultegra ST-R8050-R Di2 lever delivers a seamless shifting experience. Shimano´s electronic Di2 system ensures every shift is instant and effortless, so we can focus on the ride without distractions. The ergonomic design keeps our hands comfortable over long miles, and reach adjust allows for a dialed-in fit.

Paired with Shimano’s SLR-EV braking, this Dual Control Lever provides smooth, consistent stopping power, giving us confidence on fast descents and technical corners. Whether we’re training or pushing the pace in a race, this lever delivers the performance we need.

Details

• Electronic Di2 shifting delivers smooth, precise gear changes
• Reach-adjustable brake lever ensures a personalized fit
• Dual Control Lever design integrates braking and shifting
• SLR-EV braking system enhances stopping power and modulation
• Two SD50 ports allow integration with additional Di2 components
• Designed for Ultegra R8050 Di2 drivetrains
• Item #SHIU1I9

Tech Specs

Material

aluminum

Type

Di2 electronic

Adjustability

reach

Compatibility

Shimano Ultegra R8050 Di2 drivetrain

Claimed Weight

[pair] 10.4oz (295g)

Activity

cycling

Manufacturer Part Number

ST-R8050-R