I know that the early '90's GSX-R wheels are difficult to find in Australia. This wheel is off of a Suzuki RF900 and will work exactly like the GSX-R mod. Follow the mod that is in the files exactly as posted and enjoy.
http://www.ebay.com/itm/Suzuki-RF-900-95-rear-wheel-rim-with-good-tire-sprocket-spacers-disk-/281951606209?hash=item41a5a015c1:g:PHcAAOSwh-1W1qXN&vxp=mtr (http://www.ebay.com/itm/Suzuki-RF-900-95-rear-wheel-rim-with-good-tire-sprocket-spacers-disk-/281951606209?hash=item41a5a015c1:g:PHcAAOSwh-1W1qXN&vxp=mtr)
The mod link. http://www.fjowners.com/index.php?topic=3380.0 (http://www.fjowners.com/index.php?topic=3380.0)
If you need any help with the caliper, spacers and caliper hanger, PM me and I will assist with the parts.
Fred