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black/grey dust in the centre caps

chue.hsien

Member
Joined
Aug 26, 2007
Messages
152
Location
Singapore
hey i recently bought a DIY(a) from cube4you. and after playing with it for around 3 weeks, today i tried to tigthen the tension cuz it was popping very often. then, when i open the green cap, the whole of the middle piece was BLACK with dust. i use tissue to wipe of parts of it, then when i banged the cube upside down on the table, there were still some black stuff coming out.. does this happen to anyone else? i dont see anything that could be black.. the spring and washe wouldn't be wearing done and producing the dust.. and i didnt spray the core with silicon spray. so where does the black stuff come from?? the other centre caps also had certain amounts of grey,not black stuff. again, when i banged against the table, the dust would fall out..
 
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