K Factor

Subtle revisions in design, when added together and taken as a whole, can often result in big changes in performance.
Roger Federer's new racquet, the Wilson KSix-One Tour 90 is a case in point.
While at first glance it may look like the changes from nCode to KFactor may have happened in the material build up, a close inspection of the KSix-One Tour 90 reveals some other subtle design updates to the racquet, as well.
The new KSix-One Tour 90 takes a page from the Wilson ProStaff Original 6.0 85, the racquet that wrote the book on classic racquet performance.
Take a close look at the new handle of the KSix-One Tour 90 and you'll notice a shorter pallet with more of the graphite shaft exposed below the yoke - just as with the ProStaff Original 6.0 racquets.

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Dats y I decided to buy this racquet... Before dis,Im using Wilson ProStaff Original 6.1...
Dat racquet is more heavy den the KSix-One Tour....
I have two Wilson ProStaff Original 6.1 and I decided to sell one of the racquet to my tennis partner,Mukhriz...
I went to Cyberjaya on Thursday just to play tennis... Hahahah...
We played close to 5 hours on Thursday and another 5 hours on Friday...
Hahahah... Penat gile seyh...
My new racquet is AWESOME!!! Eventho I neva play with a small size head racquet,
but the racquet feels great...
I can control my swing better,serve better,volley better...
N Im getting better!!!
Hahahah...
X nyesal beli dat racquet,its worth it...


My Idol,Roger Federer
Currently World No 2...
Superb single handed backhand,Great groundstrokes,Master in volley,Crazy Footwork,A very calm person,Unbelievable accuracy with his serve...
The best tennis player ever... No one can replace him...
One gifted bastard...
Hahahaha...