Clarks Organic Disc Brake Pads For Shimano Xtr (M965/M966)/Saint M800/Xt765/Slx M665/Hone M60/Lxm585/Deore M535/Hdb-(540/600/790)Organic VX Pads are specifically designed to give the best performance under normal conditions. The organic compound gives improved noise reduction as well as increased âbiteâ.Sintered VRX Pads are a harder compound pad with increased carbon content. Sintered pads are designed to deliver maximum performance under stress and extreme conditions. Consistent through sustained riding they are ideal for hydraulic brake systems.Competition VRS Pads are specifically engineered for competition riding: with an advanced pad compound comprising of Kevlar for high frictional properties high ceramic content for improved wet weather performance and a increased copper content for superior low speed braking characteristics. In addition a 'grooved' backing plate improves the airflow between the piston and the pad keeping the brake system cooler and performance consistent.CompatibilityClarks HDB-540Clarks HDB-600Clarks HDB-790Clarks CMD-24Shimano Deore XTShimano XT M765Shimano XTRShimano XTR M965Shimano XTR M966Shimano SLXShimano Hone M601Shimano LX M585Shimano LX M858Shimano AlfineShimano Deore