Nukeproof avid sram x0 trail guide brake pads 4the avid sram xo trail guide brake pads from nukeproof have been tested by some of the world's most demanding riders. Available in a pack of 4, these brake pads are made from an organic, semi metallic and sintered compound mounted on steel backing plates to guarantee even heat distribution. Incredibly versatile, these brake pads are able to fit all major brake systems. Features organic good initial bite, very short bed in time, low noise sintered high heat resistance, superior performance in wet and dry conditions, strong and consistent braking over a wide range of speeds built for all mountain cross country down hill front rear compatible with avid trail, guide and g2 series brakes 4 pairs of padsplease note not compatible with sram guide re range, for guide re brakes see nukeproof avid sram code click here for compatibility chartbuy nukeproof components from chain reaction cycles, the world's largest online bike store.