The Shimano N04C Metal Disc Pad gives a boost in braking performance to your XTR, Deore, or SLX setup. The metal pad offers more braking power along with better durability. It also features a radiator fin which keeps the system cool, leading to less wear. Metal is best for muddy or sandy conditions compared to resin. The pad is made for a 4-piston braking system and comes packaged as a pair. The Shimano N04C Metal Disc Pad gives you a longer and more fruitful life for your disc brakes.