Material: [compound] metallic, [backing plate] titanium Compatibility: XTR BR-M9020, XT BR- M8000, SLX BR-M675, Deore BR-M615, BR-R517, Alfine BR-S700 Includes: 1 set of pads, 1 bolt, 1 pad spring Manufacturer Warranty: 2 years When all those downhill laps start to add up, Shimano's G04 Metallic Pads get your brake back in fine form for the next weekend's rides. The metallic compound provides the strength needed for consistent braking over steep terrain, without feeling unsteady. The titanium backing keeps overall weight low, so you won't have to fight gravity on the way up the climb.