NONE OF YOU HAVE EVEN ANSWERED HE F*CKING QUESTION.
ok. get a 1 1/4 starnut here: http://www.amazon.com/Aheadset-Headset-Star-Nut-Each/dp/B000C17NUC/ref=sr_1_1?ie=UTF8&s=sporting-goods&qid=1230494836&sr=1-1
then, buy a FINE threaded rod like ian said, and cut it to about 8 1/2" inches...