PBS ProTrack Rear Brake Pads for Renault Megane RS Mk2 225 R26, Mk3 250 265 275 1192PTThe ProTrack compound is also ceramic metallic material that has milder initial bite than the ProRace compound the with excellent control and feel with powerful stopping power 0. 40 to 0. 48mu this compound is designed for light occasional track use or wet conditions and for race series that have to use a low grip Tyre with less noise and dustWorking temp 0 700c