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 etc. offering reduced disc damage and long pad life. Highest durability ATV/Dirt grade Not for highway use Target user is off road ATV rider in mud wet sand or dust riding Made in the EBC Brakes USA factory Width Pad A (mm) 82.08 Height Pad A (mm) 40.85 Thickness Pad A (mm) 9.5 Width Pad B (mm) 62.03 Height Pad B (mm) 40.8 Thickness Pad B (mm) 9.5