These US made sintered copper-carbon pads will stop you faster than anything you can buy and have a massive lifetime. Do NOT use these on discs marked RESIN pad as such discs will be UNHARDENED steel and these pads could damage soft materials. Supplied with uprated springs for spring based systems.
For downhill use the RED grade has a higher heat threshold but has the added benefit of not overheating the brakes with excessive heat transfer which would cause softening of your brake lines. Lifetime must be evaluated, these pads are designed for a few descents only, check wear after every ride to avoid running out of brakes. Supplied with heavy duty retraction springs in spring based systems.