Squeky rear wheel

Hi,
I bought a pair of superstar wheels with the superleggera trizoid rear hub. I have now ridden them 3 times with no problems until today. There is a squeak coming from the rear wheel (possibly from the hub but a bit unsure) and the free wheel also engages even without the chain being on :S See this video that I took..
http://s170.photobucket.com/albums/u279/trebor127/?action=view¤t=20110930_004.mp4
The rear wheel doesn't catch on anything and the sqeak is intermittent.
I took the freewheel off but I am unsure as to how to go about regreasing it etc (if it is even possible wih this hub) so I just put it straight back on so as not to do any damage...Have you any idea what could be the problem? Surely it shouldn't be squeaking after just 3 dry rides?? I have never squirted water near them either. I always use a cloth to wipe round bearings etc. Your help would be much appreciated. I hope to be riding again ASAP
Rob
I bought a pair of superstar wheels with the superleggera trizoid rear hub. I have now ridden them 3 times with no problems until today. There is a squeak coming from the rear wheel (possibly from the hub but a bit unsure) and the free wheel also engages even without the chain being on :S See this video that I took..
http://s170.photobucket.com/albums/u279/trebor127/?action=view¤t=20110930_004.mp4
The rear wheel doesn't catch on anything and the sqeak is intermittent.
I took the freewheel off but I am unsure as to how to go about regreasing it etc (if it is even possible wih this hub) so I just put it straight back on so as not to do any damage...Have you any idea what could be the problem? Surely it shouldn't be squeaking after just 3 dry rides?? I have never squirted water near them either. I always use a cloth to wipe round bearings etc. Your help would be much appreciated. I hope to be riding again ASAP

Rob
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Parktools :?:SheldonBrown
I didn't think the freewheel would spin with the chain off
Sounds like one of the bearings is a bit dry.
Commuter Rockhopper
What do I need to take apart to regrease?? I took the freehub off and couldn't figure out what to grease....
Hopefully, you can deal with them in position, if not, you'll need to drift them out.
Commuter Rockhopper