When durability and consistency is necessary in all riding conditions, look no further than the Pro Extreme Sintered pads. With a dense, aggressive sintered compound, these pads deliver dependable, confident stopping power, even when things get hot. Mounted on a steel backing
Compatibility: 
Shimano
XTR M9020, M9000, M987, M985; Deore XT M8100, M8000, M785; SLX M7100, M7000, M675, M666; Deore M6000,
M615; Alfine S700; Road/CX RS785, R785, CX77, CX75, R517, R515, R317, R315
Riderever
Cargo-D, ARC- E, ARC-S, ARC-U, Attack-E, Attack-U, MCX-2 (PM),
MCX-1 (PM), MTN4