Kool-Stop's New V-Type 2 insert just got heavier with 1.5mm more pad material than the original V-Type insert. Still fits most Shimano Style V-Brake holders Features: - Water Grooves - Dual Compound - Rim Friendly Compounds: - Dual: A fusion of Kool-Stop's two finest compounds which will give superb braking in all weather conditions. This combination produces a more controlled smooth stop! - Salmon: Kool-Stop's most famous Salmon compound is also one of our most aggressive compounds for extreme all weather conditions especially in the wet, but still superb in the dry. - Triple: Kool-Stop's triple compound is their most aggressive compound combination for superb braking and controlled stopping in all weather conditions. - Ceramic: This compound was designed for ceramic coated rims and is great in all weather conditions. - Carbon 2: This compound works great on most carbon wheels and is designed to withstand those fast steep descents without a lot of pad wear. - Black: Kool-Stop's standard compound which is great for all weather conditions, but designed for dry condition riding.