Shimano Di2 ST-R9180 Dura-Ace Di2 Left TT/tri shift and brake lever for hydraulic disc brakes - 11 speed

Shimano Di2 ST-R9180 Dura-Ace Di2 Left TT/tri shift and brake lever – 11 speed

The Shimano Di2 ST-R9180 Dura-Ace Di2 Left TT/tri shift and brake lever is designed for triathletes and time trial riders who demand maximum control, aerodynamics and precision. Featuring electronic 11-speed Di2 shifting and hydraulic disc brakes, the lever combines cutting-edge technology with a lightweight and ergonomic design. It's the optimal solution for riders who want to make the most of every watt – without compromising on comfort or safety.

Precision and performance for triathletes

Brake lever TT/tri with electronic precision

This TT/tri brake lever is designed for aggressive aero positions where responsiveness and stability are key. The electronic Di2 activation provides lightning-fast and precise gear shifts, even when you're deep in the bars at high speed.
The grip is designed to provide optimal support for your hand, ensuring you can brake or shift gears effectively, even in pressured situations. It's a grip that works for you – not against you – when the intensity increases.

Top class hydraulic braking power

Brake lever hydraulic brakes

With hydraulic brake levers, you get consistent stopping power, no matter the weather, speed or surface. Hydraulic systems deliver noticeably more controlled and powerful braking than mechanical alternatives, which is an important advantage when you need precision on technical descents or in tight turns during a triathlon.
Shimano's Dura-Ace series is known for its reliability, and the ST-R9180 is no exception. The hydraulic cylinder is integrated for a compact, aerodynamic profile that supports the bike's lines and reduces drag.

Maximum control in all conditions

Shimano Dura Ace 11 speed – uncompromising performance

As part of the Shimano Dura Ace 11-speed platform, the ST-R9180 offers the most advanced shifting and braking control Shimano offers in their tri and TT line. The lever responds instantly to your inputs, and you get an incredibly intuitive feel for the bike's movements. Whether you're accelerating out of a corner or setting the pace on a straightaway, you'll maintain full control.

11 speed Di2 – integrated technology

With 11 speed Di2 you get a fully integrated solution that combines technology and ergonomics. The cable routing is hidden and streamlined, so nothing interferes with airflow. The grip is shaped to fit naturally in the hand, reducing muscle tension and providing a more relaxed riding position - crucial for long time trials and triathlons.
The materials are carefully selected to deliver low weight without compromising stiffness. This means greater stability, faster response and an aerodynamic advantage you can feel.

Ideal choice for serious triathletes and TT riders

The Shimano Di2 ST-R9180 Dura-Ace Di2 Left TT/tri shift and brake lever set is made for riders who want the best in performance, control and aerodynamics. It combines the benefits of TT/tri brake levers , the advanced technology of Shimano Dura Ace 11 speed , and the precise control of 11 speed Di2 . With its hydraulic brakes and electronic shifting, it's a complete solution that elevates both training and competition.
Whether you're an experienced triathlete or a TT specialist, Shimano Di2 ST-R9180 gives you a professional, stable and fast platform to optimize your performance - kilometer after kilometer.