Stopping is just as important as going in cycling, so why leave that duty up to inferior brake pads? This is one of our most popular rim pads and offers a thicker friction material for longer life. If you want to go with a pad that you know can handle the responsibility of slowing and stopping, then you'll be glad you chose Kool Stop. Hardened and Plated reinforced steel backbone Patented Angled tip plow Water grooves Knurl-lock washer system Self tow in Available only in Threaded Rim Friendly Compounds