The Noisy Crankset

I have a problem,my crankset is making a squiking noise i dont know what it is but everytime i pedal there is a noise i cant see the problem i dont know if it is broken or there is something stuck in there i have a saracen xile with a TruvAtiv Blaze crankset
can you give me any tips on what to do,thanks
Josh
can you give me any tips on what to do,thanks
Josh
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