Shimano's 105 Front Brake Caliper utilizes Shimano's Super SLR pivot location for excellent braking. The brake is made of light, durable cold-forged aluminum and boasts Shimano's compact construction, which minimizes flex for fast response, uniform pressure and top-notch stopping power in all conditions. Plus, this fine stopper has an adjustment barrel and centering screws for easy fine-tuning, as well as a quick release and wheel guides for easy wheel removal and replacement.