Shimano

Dura-Ace ST9170 Di2 Hydraulic Shift/Brake Lever

Dura-Ace components are engineered for high performance, durability, and lightweight design, making them ideal for competitive cycling. Their advanced materials and technology ensure that you get the best possible performance on the road, which can significantly enhance your riding experience and race results.

The Di2 system allows for seamless gear changes at the push of a button, providing precise and quick shifting. This can be especially beneficial during races or challenging climbs, as it reduces the effort needed to shift gears and allows you to focus more on your performance and strategy.

Hydraulic brake systems offer superior stopping power and modulation compared to traditional mechanical brakes. This means you can stop more quickly and with greater control, which is essential for safety and performance, especially in competitive cycling scenarios or technical descents.

Ergonomic design ensures that components fit comfortably in your hand, reducing strain during long rides. This thoughtful design allows for easier operation of the shift lever, helping you maintain focus and energy throughout your ride, which is crucial for both training and racing.

Yes! The Di2 system offers customizable functions that allow you to adjust settings according to your preferences. You can modify the speed of shifts, the specific buttons used for shifting, and other settings, enabling you to tailor the system to enhance your unique riding style and improve your overall performance.

Dura-Ace components are often regarded as the gold standard in road cycling due to their cutting-edge technology, lightweight materials, and exceptional durability. Many professional cyclists choose Dura-Ace for its reliability and performance advantages, making it a top choice for those serious about racing and high-level cycling.