Use 10mm bolts to mount foot pegs. Allow you to fold up foot pegs when not in use. A pair of 1.5"(38mm) Foot peg mounts and necessary hardware. (Except Harley Davidson VRSC Engine Guard P/N 49267-01A, 49388-09, XL Engine Guard P/N 49060-04 or Softail Nostalgic Engine Guard P/N 49037-05A).