Yokozuna Ultimo Disc Brake Caliper Description: Yokozuna Ultimo Disc Brake. Features: Reliable cable-actuated disc brake, perfect for CX, Road, and Gravel Four piston design for ultimate power and control Compatible with any cable-actuated Road brake levers Caliper features a Closed Hydraulic System, using mineral oil Dual Piston pad action with simple one knob pad adjustment Includes forged caliper, pads, caliper mounting bolts, 6-bolt 160mm rotor, and Reaction premium compressionless cables. IS adapters are included with the 74mm calipers Specifications: Brake Type: Hydraulic Disc Brake Fluid: Mineral Oil Brake Mount: Post Mount Brake Pads: Organic/Resin Pistons: 4 Color: Black Weight: 145g (Front), 145g (Rear)