help wheels problems and dont have clue

  1. #1
    i have a set of these lookin to go on my car o.z x1 (i think)


    i know i need a 20mm spacer but i dont know how it works ????

    their call o.z f1 cup 15


    rely need a hand with this :/

    cheers
  2. #2
    Don't know how what works mate? the spacer?
  3. #3
    4 wheels go on car with tyres and bolts and when on wheels move around to make car move .... Jokes aside lol need to explain more mate
  4. #4
    4x108 plus 20mm spacer