The Hope RX4+ caliper builds on 25 years of experience designing and manufacturing hydraulic disc brakes, and transfers that knowledge into the world of road and cyclocross drop bar brakes. A precision CNC machined monobloc design results in a stiffer caliper to give unrivaled feel and modulation.Mineral Oil Caliper will have Bore Caps with an MMonobloc design creates a stiffer caliper reducing the fuzzy lever feel and brake pad rubSlimline 4 piston lightweight designTop entry pad fittingCNC machined from 2014 T6 aluminiumCalipers designed to fit 140, 160 & 180mm rotorsItem SpecificationsBrake Caliper TypeFlat MountBrake Lever ActuationHydraulicColorBlackDefined ColorBlackHydraulic Fluid TypeMineral Oil