ebc brakes offer a full line of brake pads and brake shoes for most street and dirt bikes and atvs.brake shoes standard shoes: fs rated, higher rating than o.e.m. shoes for better stopping power. grooved shoes: fg rated, high friction grooved linings, efficiency improves with heat, for wet and muddy conditions. listed with suffix gbrake pads - dirt x series black coded: carbon graphite/ kevlar® compound for all around performance. listed with suffix x r series bronze coded: sintered metal pads for extreme wet and muddy conditions. listed with suffix r mxs series: high friction hh-rated sport motocross sintered brake pads. the mx-s is a high performance race pad with superb durability similar to that of the "r" range of pads but with a slightly higher friction level and fade resistance and diamond ground surface finish to speed bed-in. add mx to end of part number.