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