Shimano BR-R8170 Ultegra Flat Mount Disc Brake Caliper

To the delight of riders and mechanics alike, the new Shimano Ultegra BR-R8170 caliper delivers enhanced modulation, a quieter brake system and an easier than ever bleed process. The Ultegra R8170 disc brake caliper brings a new level of control to the road cycling world with enhanced modulation and a quicker initial braking point. Despite its smaller construction, the system is quieter than ever and easier to maintain.

• Ultegra hydraulic road disc brake offer an ideal balance of light weight and efficient braking, making it the perfect choice for both enthusiast and competitive riders
• Front wheel use for flat mount forks with adapter to flip between 140 and 160 mm
• Oversized 22mm ceramic pistons optimized for heat insulation, lightweight and stiffness
• Opposed 2-piston design reduces leading effect and optimal pad wear increases braking control
• Increased pad to rotor clearance reduces the chance of rotor drag
• Direct flat mount and open design allows easy and quick wheel replacement
• Forged calliper design is lightweight and rigid
• One way internal fluid circuit makes bleeding easy
• Mineral oil brake fluid is non-corrosive and less hazardous than conventional hydraulic brake fluid
• Shim-less mounting bracket allows for quick installation and setting up
• Recommended for use with Ice Tech FREEZA Centre Lock SM-MT800 rotors for optimum braking performance
• Comes complete with resin compound aluminium radiation fin pad further improves heat dissipation reducing brake surface temperature by 50 deg C
• Inline hose routing for low profile design
• Separate bleed port and valve screw for improved bleeding process