You are purchasing 1 x 160mm rotor and 1 x VRX852 pads 1 x Clarks Single piece stainless steel rotor. Manufactured from 120cr Stainless steel.1 x set of Clarks VX852 organic pads Sintered cycle disc brake padsClarks sintered cycle disc brake pads use 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. Model Compatibility: Shimano New XTR M985, M987, M988, M975, M965, XT M785, SLX M666, M675, Deore M615 Clarks M1, M2, M3, CMD-22, CMD-22FM, CMD-23, CMD-27 Please note if you are purchasing for a Clarks M2, check the serial number found on the inside of the lever blade. Serial Letter 'L' uses a VX/VRX852, Serial letter 'O' uses a VX/VRX811 pad. Rotor Weights: 160mm - 106g Stainless steel 120cr