TECHNOLOGY: INNEGRA
Innegra technology
The new Head Innegra™ hybrid structure is integrated into the racket to absorb impacts and improve stability. Consequently, vibrations are reduced by up to 17% when the ball hits the racket, giving you a unique level of precision and control.
On top of that, the new Head Innegra™ hybrid structure considerably improves the racket's performance in the long term.
TECHNOLOGY: POWERHOLES
The Head Extreme 135 racket's grommets have been enlarged to let the strings breathe and encourage them to stretch. This makes the head more flexible and accentuates the trampoline effect. You'll enjoy increased power and forgiveness that's not to be sniffed at.
Frame weight = 135 g
Unstrung weight = 147 g
Strung weight = 158 g
Details
Balance = 375 mm strung
Head size = 495 cm²
String pattern = 12 x 17
Dimension of frame cross sections: Tapered beam: 19.5 mm - 20.5 mm – 21.5 mm