Kool-Stop's Campi 2000 insert pad was designed to fit Campagnolo systems made after the year 2000. Features: - Patented Plow Tip - Water Grooves - Dove Tail fit - Rim Friendly - Replacement pads for Campagnolo 10-speed groups Black: standard compound designed for dry condition riding Dual: combination of Salmon and Black compounds for more controlled, smoother stopping Carbon 2: updated formula for carbon rims, withstands steep descents with reduced wear Ceramic: This compound was designed for ceramic coated rims and is great in all weather conditions.