Kool Stop V-Type Brake Pad Inserts. Features: Replacement inserts for Shimano cartridge v-brake pads Grooved for water displacement V-Type: exact specification as Shimano pads with Kool Stop's patented plow tip, thinner than V-Type 2 pads V-Type 2: thicker for longer life with 1.5mm more pad material than standard V-Type pads Black: standard compound designed for dry condition riding Red: semi-aggressive compound for good performance Salmon: aggressive compound for extreme weather conditions Green: designed for ceramic coated rims Dual: combination of Salmon and Black compounds for more controlled, smoother stopping Specs: Model:V-Type Compound:green (ceramic)