Shimano Saint 09
For cross country riding this is your best choice and is a British made organic pad compound that will not damage your discs. The pads have a medium lifetime and most types are supplied with slightly beefed up retraction springs to prevent pad drag. For downhill racing or longer life in wet and mud see either the RED or GOLD grades.
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.
These USA made sintered copper pads will last longer and brake stronger than anything you can buy. 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 in spring based systems.
(fits Sur Ron/Segway)