For the ultimate durability EBC presents its "R" series high-density sintered pads. A sintered copper material made in EBC's own U.S.A. facility, the "R" Series of heavy duty ATV and MX pads have become an aftermarket standard offering high durability and high resistance to contamination by mud, water, sand and grit, etc. offering reduced disc damage and long pad life. Many of us enjoy riding off-road with trying to be Malcolm Smith and getting the brakes red hot. For that group, the Sintered R series pads are an ideal choice for off-road riding. R Series pads are a sintered copper alloy pad made in EBC's U.S.A. sintered production plant to deliver a medium to high friction pad at an attractive price point that lasts well in all conditions of wet, mud water or sand. EBC "R" Series sintered brake pads are the ideal choice for racers and weekend warriors looking for an affordable brake pad that lasts.