SBS 638HF Brake Pad Born in the motocross arena and off-road trails. Matured in the MXGP 1 and 2 racing series, Paris-Dakar and national racing series like the GNCC Off-Road sintered metal Brake pads (Si) The right choice for wet, muddy or extreme Sand conditions OE replacement and upgrade choice when riding in wet or gritty conditions Class-leading friction rating developed in racing conditions