EBC Brakes R Series Heavy Duty Sintered Pads-For the ultimate durability EBC presents it s R series high density ATV and dirt sintered series pads. A high density sintered copper material made in USA facility the R Series of heavy duty ATV and moto-x pads have become an aftermarket standard offering high durability high resistance to contamination by mud water sand and grit offering reduced disc damage and long pad life. Features highest durability ATV or Dirt grade for off road ATV rider in mud wet sand or dust riding. Made in the EBC Brakes USA factory. Combine excellent brake performance with maximum durability US-made sintered bronze pad construction for long pad life Good for riding in wet mud dust or sand Highest Durability Atv Or Dirt Grade Imported.