hi guys, need some help please ,got a 82 gt nora cup...........but just been offered a mongoose today from a old bike collector i know.He discribes it as early 80s he says it has rims with holes in (pro class?) ..can any body tell me what model this could be and a year if poss this is what he says is a complete factory spec bike....cheers for any help!!. ps ...its got a chrome frame/forks...maybe a pro class bike eh!!!!!.