Slightly harder wearing than semi-metal pads, offering better braking performance under high temperatures. Shimano: M515 M525 BR-M575 BR-M525 BR-M495 BR-M486 BR-M485 BR-M475 BR-M465 BR-M445 BR-M416-A BR-M416 BR-M415 BR-M375 BR-T615 Tektro Aquila Tektro Auriga