Discussion in 'Pros' Racquets and Gear' started by dannygzs, Jun 8, 2007.
61 is marked on my racket,however, the official data tells it is 64
on my rackets the stiffness of the 16x19 says 64 and the 16x18 says 63
my racquet says 64 as well (16x19)
61 on my 3 AeroGels (16X19)
ive just bought another aerogel 300 16x19 with a smaller grip size (4 3/8) and that has a stiffness of 61
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