The Kool Stop Mountain Pad Rim Brake Pads are crafted for mountain bike direct pull brakes, ensuring top-notch performance and reliability. Their curved design aligns with the rim for optimal braking efficiency. Features include a hardened steel backbone, a patented angled tip plow for enhanced durability, and water grooves for effective wet-condition braking. The knurl-lock washer system ensures a secure fit, while rim-friendly compounds protect your wheels, making these pads ideal for all-weather riding.