Kool Stop Thinline Brake Pads. Features: High performance for brake systems with tight clearance, allows for easy tire removal Grooved for water displacement with patented angled tip plow Black: standard compound designed for dry condition riding Red: semi-aggressive compound for all-around performance Salmon: aggressive compound for extreme weather conditions Dual: combination of Salmon and Black compounds for more controlled, smoother stopping Specs: Model:Thinline Post:threaded Compound:dual