EBC Sintered HH Brake Pads | FA724HH. Double-H(TM) Sintered Superbike Brake Pads deliver high performance and are well known as the EBC flagship sintered street/sport brake pad. High friction superbike/race sintered formula. Double-H sintered pads offer the maximum brake effect and a lif... - EBC Sintered HH Brake Pads | FA724HH.