The Shimano ST-R9170 bracket covers are genuine replacement hoods designed for Dura-Ace Di2 road shifters. They restore the original look, comfort and control of your cockpit. Ideal for replacing worn or damaged covers. Designed for Dura-Ace Di2: These bracket covers are made specifically for Shimano Dura-Ace STI Dual Control levers. Precision shaping ensures a perfect fit on compatible models. Once installed, they feel just like factory-fitted hoods. Secure Grip and Control: The textured surface provides a confident grip in both dry and wet conditions. This improves hand stability during hard efforts, sprinting, or long rides. Comfort and control remain consistent over time. Protection for Your Shifters: The covers help protect the STI units from sweat, dirt and everyday wear. This added layer extends the life of your shifters. It also keeps the cockpit clean and professional-looking. Compatible with ST-R9170-L and ST-R9170-R levers, these hoods are a simple upgrade or replacement. A small change that makes a big difference in ride comfort and control.