Thanks people. some of the bits came from the now shelved Raleigh Super Maverick project. It seems that there weren't that many choices for parts this era. Before XT came out most people were speccing the suntour/sugino/dia compe package, so a lot of early bikes seem to be specced with the same parts (see MOMBAT). Other bits have come from all over the globe. But the frame, forks, one of the rear mechs I have, chainset and wheels are all original to the bike. the other bits are all as the original spec (the owner was splitting the bike so I could have had them all) but i already had the same bits, in better condition at home.