Shimano Tiagra BR-RS405 flat mount disc calliper; without rotor or adapter; rear

The BR-RS405 Flat Mount Disc Calliper - Without Rotor or Adapter - Rear is a Shimano disc brake calliper. It uses a Flat Mount interface. Key Features High performance low profile hydraulic road disc brake for efficient braking in all conditions Rear wheel use for 140 mm flat mount frames, can be used with adapter for 160 mm Oversized 22mm pistons optimised 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 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 rotors for optimum braking performance Comes complete with resin compound aluminium radiation fin pad further improves heat dissipation reducing brake surface temperature by 50