Hayes Dominion MTB Disc Brake PadsThe ideal spares or replacement pads for your Dominion A4 T106 disc brakes, these semi-metallic pads allow for more wear and lower levels of thermal stress when coming to a halt. With softer brake modulation and a quieter performance under wet conditions than sintered pads, they are the perfect choice to refresh your braking setup. Features: Construction: Semi-metallic Suitability: Hayes Dominion A4 T106 disc brakes Buy Hayes Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.