The Shimano Tiagra BR-4770 hydraulic disc brake caliper features a compact design and a standard flat mount for road and gravel bikes. Its 2-piston construction provides reliable brake performance and control. Including Ice Tech brake pads Brake fluid: Mineral oil Brake pads: L03A Resin with cooling fins (included) Included in delivery: 1 caliper incl. L03A Resin brake pads and adapter for 160mm rotors