shimano br-r8070 ultegra calliper disc brake without rotor or adapter

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.Features:Rear wheel use for 140 mm flat mount frames, can be used with adapter for 160 mmOversized 22mm ceramic pistons optimized for heat insulation, lightweight and stiffnessOpposed 2-piston design reduces leading effect and optimal pad wear increases braking controlIncreased pad to rotor clearance reduces the chance of rotor dragDirect flat mount and open design allows easy and quick wheel replacementForged calliper design is lightweight and rigidOne way internal fluid circuit makes bleeding easyMineral oil brake fluid is non-corrosive and less hazardous than conventional hydraulic brake fluidShim-less mounting bracket allows for quick installation and setting upRecommended for use with ice tech freeza centre-lock rt-mt800 rotors for optimum braking performanceComes complete with resin compound aluminium radiation fin pad further improves heat dissipation reducing brake surface temperature by 50 deg cInline hose routing for low profile design