Shimano BR-R8170 Ultegra Rear Flat Mount Calliper BRR8170R

The Shimano BR-R8170 Ultegra Rear Flat Mount Caliper is engineered to offer an ideal balance of lightweight design and efficient braking performance. It is an excellent choice for both enthusiast and competitive road cyclists, delivering reliable and powerful braking under a variety of conditions.Key FeaturesHydraulic Road Disc Brake:Provides optimal balance of light weight and efficient braking performance, perfect for serious riders.Compatibility:Front wheel use for flat mount forks with an adapter that allows flipping between 140 mm and 160 mm rotor sizes.Oversized Ceramic Pistons:Features 22mm oversized ceramic pistons, optimized for heat insulation, lightweight, and stiffness.Opposed 2-Piston Design:Reduces leading effect and ensures optimal pad wear, enhancing braking control.Increased Pad to Rotor Clearance:Reduces the chance of rotor drag for smoother and quieter operation.Direct Flat Mount:The open design allows for easy and quick wheel replacement, improving maintenance efficiency.Lightweight and Rigid Forged Caliper:The forged caliper design enhances rigidity while keeping the weight low.Easy Maintenance:One-way internal fluid circuit simplifies the bleeding process.Mineral Oil Brake Fluid:Uses non-corrosive, less hazardous mineral oil brake fluid, which is safer than conventional hydraulic brake fluid.Shim-less Mounting Bracket:Allows for quick and straightforward installation and setup.Recommended Rotors:Optimized for use with Ice Tech FREEZA Center Lock SM-MT800 rotors for peak braking performance.Heat Dissipation:Includes resin compound aluminum radiation fin pads to improve heat dissipation, reducing brake surface temperature by 50°C.Inline Hose Routing:Low profile design with inline hose routing for a sleek appearance.Improved Bleeding Process:Features separate bleed port and valve screw for a more efficient bleeding process.SpecificationsColor: GreyProduct Type: Hydraulic DiscApplication: Road & Drop BarCompatibility: Flat mount forks, 140 mm and 160 mm rotorsPiston Material: CeramicPad Type: Resin compound with aluminum radiation finFluid Type: Mineral oilThe Shimano BR-R8170 Ultegra Rear Flat Mount Caliper is designed for road cyclists who demand lightweight, reliable, and efficient braking performance. With features like oversized ceramic pistons, increased pad to rotor clearance, and easy maintenance design, this caliper offers superior braking control and heat management, making it a top choice for both competitive and enthusiast riders.