Before Federer started stringing with P1, his racquet was 355 grams and from what I gather he started using P1 shortly after Miami 2004, not sure when he decided to add some lead to his racquet. So it will be interesting to see if the N90 will weigh 355g or 364g.
Last edited by sixone90 : 04-08-2012 at 06:07 PM.
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