Couple of others for you, rather than the sponsored one above.(…:P…)

Star Physio – Damian Oldmeadow (Physio so if you have private health you can claim the cost) has been known to fit olympians such as Sir Chris Hoy when in town
http://starphysiowa.rtrk.com.au/?scid=203432&kw=6613119&pub_cr_id=32998205889

Gary Suckling at Riders Choice

South of the river you can try Rick at Churchill Cycles in Booroogoon (not sure if he is still doing it)