Hydraulic brake performance without the complexities of full hydraulic brakes. A great option for touring cyclists who've gotten stuck out in the boonies with a leaky brake line. High performance enough for CX, road race and gravel events. By sticking with a cable system you not only keep reliability, but you don't need a dedicated hydraulic brake lever. Premium compressionless cables, IS mount hardware and 160mm stainless steel rotors included standard housing may also be used . Closed Hydraulic System Mineral Oil . Dual Piston pad action. Simple one knob pad adjustment. Caliper weighs only 145 grams. Hydraulic brake performance without the complexities of full hydraulic brakes A great option for touring cyclists who've gotten stuck out in the boonies with a leaky brake line High performance enough for CX, road race and gravel events By sticking with a cable system you not only keep reliability, but you don't need a dedicated hydrau Closed Hydraulic System Mineral Oil