Kool Stop Mountain Brake Pads. Features: Top choice for MTB cantilever brakes Extra-long, curved design allows pad to contour the rim for better braking performance Grooved for water displacement with patented angled tip plow Black: standard compound designed for dry condition riding Salmon: aggressive compound for extreme weather conditions Dual: combination of Salmon and Black compounds for more controlled, smoother stopping Specifications: Brake Type: Rim Brake Intended Brake Use: Cantilever Compound: Black, Salmon, or Dual Configuration: One Piece (Pad & Shoe) Pad Attachment Style: Smooth Post Color: Black, Red