Full Stop DP340 pads fit the following disc brake systems:Key Features• Ceramic compound improves braking performance, increases longevity, and reduces noise• Cooling fins help to reduce fade and increase pad life through better heat dissipation.• Brand: Shimano - XTR 2011• Fit: XTR M985, XT M785, SLX M666, Alfine S70• Material: Ceramic - low noise and longer service life