2012 Swiss Stop Green High Performance II Brake Pads - Shimano/SRAM Compatible. 2012 Swiss Stop Green High Performance II Brake Pads - Shimano/SRAM Compatible. Highly technical compounds developed at Swiss Stop's in house research laboratory are the foundation of every SwissStop product. High performance, all weather compound for aluminum wheels. Race proven with victories at the Olympic Games, World Championships, World Cup The GHP pads for aluminum wheels can resist temperatures in excess of 300 degrees Celsius and still maintain their performance. Best brake performance on dry rims and even better performance on wet rims !