The Avid Juicy Three black Mountain Bike Hydraulic Disc Brakes Rear are high-quality disc brakes designed specifically for mountain bikes. This set includes both the front and rear brakes, featuring a sleek black color that adds a stylish touch to your bike. With the Avid brand known for its reliable braking systems, these hydraulic disc brakes are sure to provide smooth and responsive stopping power for your rides. Upgrade your mountain bike with this top-of-the-line brake set for enhanced control and safety on the trails.