Originally Posted by paoloraz
I have 2 400i L3, with original leather grip and strung...I'll mesure them too...
However, I would not say that 400i standard and pro are different...a difference of 4 gr and 0.2cm in balance is almost nothing...it might be due for example to strings of different section and weight or minimal differences in the production process...Today, the differences between supposed identical racquets are much much larger!!
I still believe that the differences are cosmetics, for the most part
I just measured my 400i standard. Grip L3. With prince synthetic 17g, head tape, and overgrip it weighs 377g and is 10pt HL.