Cheap Shimano ULTEGRA Di2 ST-R8150 2-speed STI Dual Control left

The Shimano Ultegra Di2 ST-R8150 brake lever for SLR-EV brake system offers unparalleled modulation and control. Wireless shifting provides a clean look on the bike and allows for uniquely fast and precise shifting. All these features are integrated into a DUAL CONTROL shift/brake lever that is both lightweight and ergonomic thanks to the use of state-of-the-art materials ensuring optimum comfort and control even under challenging conditions.

THE SCIENCE OF SPEED: Shimano Ultegra Di2 2-speed STI Dual Control ST-R8150-L

Great speed means great responsibility. That’s why, faced with the task of making the new ULTEGRA groupset even faster, Shimano decided to take a holistic and 100% performance-focused approach. Shimano’s new 12-speed road groupset delivers unparalleled control and comfort anytime, anywhere – whether you’re competing in an amateur race, chasing your personal best, or out for a social ride. That is “Science of Speed”. And it’s what sets SHIMANO apart from the rest.