Welcome to the bridgestone site, Clint. This is the best place to find help and expertise as you undertake your project. You'll find there are several members from Australia, but from previous reports, the US is probably the best place to find your prize. Watch ebay and the classifieds listed here on the site. Some of the members watch craigslist and other sources and list bikes and parts for sale. Richard Clark, the owner of the site has an impressive inventory of parts for all bridgestone models. His contact info is available by clicking the "click here for parts" button. In general, good luck and please keep us informed of progress and let us know how we can help.
...bert