Weight: 230g (unstrung).Child's height: 126-140 cm.Racket size: 25 inches.635 mm.Head: 645 cm².Balance: Its 30 cm balance makes the TR990 Power 25" one of the most manoeuvrable advanced-level rackets.Inertia: Inertia (unstrung) = 175 kg.cm².Inertia (strung) = 200 kg.cm².Inertia is the feeling of the racket's weight when it is moving. It is measured in kg.cm ²..Stiffness: Stiffness: 66 Ra.The higher the Ra, the stiffer the racket, the less it deforms when hit and the more it absorbs energy. Therefore, a stiffer racket is more powerful..With a stiffness of 66 Ra, the TR990 25" is one of the stiffest and therefore most powerful rackets available for advanced / competitive young players.String pattern: 16x19.

Wipe clean only.Frame 100% Carbon Fiber.

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