Our kits are designed for convenience - prepackaged, ordered with a single part number and delivered in a single box, saving you time and money Mount Type: Two-Piece - Non-Symmetric Head Outside Diameter (mm): 47.8 Head Outside Diameter (in): 1.88 Head Thickness (mm): 19.8 Head Thickness (in): 0.78 Pilot Outside Diameter (mm): 33 Pilot Outside Diameter (in): 1.3 Inside Diameter (mm): 13.5 Inside Diameter (in): 0.53 Mount Height (mm): 49.2 Mount Height (in): 1.94 Pad Height (mm): 19.8 Pad Height (in): 0.78 Bonded Sleeve: Yes Standard Bolt Size: M12