The Ashima SoS Hope Mono Brake Pads. Sintered doesn’t perform as well as Organic in the cold, and by its very nature (more than 60% metal) it generates and conducts a great deal of heat to the brake fluid.  Ashima SoS Hope Mono Brake Pads Features 3 x less heat generation than Sintered Pads Offers cold performance of Organic Pads Quiet operation  High temp performance of Sintered Pads Wear characteristics of Sintered Hope Mono 4  Hope Mono 5  Shimano XT M775 (pre 2011)