Now you can get the best of both worlds ... Eliminator Disc Brakes with Vortex Lubrication. \"Cap\" Style rotor fits over the Vortex hub. Disc brake actuator features a cast ball clamp, Drop N Go auto coupler latch, oversized master cylinder, with solenoid installed. Includes a pair of GalvX coated cap style disc brakes, Vortex hubs, disc brake actuator and a brake line kit. Also includes brake hoses, brass fittings and attachment hardware. Fits 14\" and 15\" wheels. DOT 3 brake fluid not included.