dropped the trusty stead off at my local garage this morning, got to work, got a phonecall... 
aparently theres a great big nut. 12 sided, and he had nowt to remove it.
result is, now stuck with no way of efficently stopping! :? 
anyone have the tool they could lend/sell or know a way round it/have a pic so i can describe problem to second local garage?
cheers in advance guys