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Formula Hexacore (One Piece, Unibody)

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We at Donnay are pleased to announce a major breakthrough in Tennis Racquet design.

You love it , or it's FREE

This offer may convince you that we at Donnay have lost our minds. If so, our loss can be your gain.
Buy one of our NEW redesigned One Piece UNIBODY racquets, including the Formula Hexacore 2,

Formula Hexacore 2 Lite, or the Pro One International. We are so confident that you will love our new

racquets, if after 1 Year, you don't love it, you get a refund of the purchase price, you keep the racquet!

You read that right. You don't have to return the racquet, just request the refund & it's yours.

Limitations? Yes there are limitations. *One refund per customer/family. That's it, couldn't be simpler.


The high impact shock eliminated !!

Our One Piece “Unibody” Donnay is possible only due to Donnay’s Xenecore Molding System & does away with the inherent deficiencies which manifest themselves in traditional racquet manufacturing.
The traditional stapled on plastic Butt Cap is eliminated in favor of a continuous carbon structure from racquet tip to handle flare, with no more possible movement or loosening of the Butt Cap, which often happens during play, which can also lead to the grip coming off the handle at an inopportune moment.

Additionally, our new One Piece design significantly improves the stability and performance of our racquets, as it results in a racquet without the normally required soft opening at the bottom of the grip pallet where energy normally escapes on high impact balls or off center shots.

The high impact shock is eliminated ! You will instantly feel the difference.

The Formula Hexacore Unibody is a great option for the player who wants the unparalleled comfort and superior playability of the standard Formula Hexacore, but in a more user-friendly package. Beginner, intermediate and senior players will appreciate this racquet's quick handling and precise delivery.

Head size: 100sq"
String Pattern: 16x19
Grip: Cushion
Rec. String Tension: 45lbs (+/- 10)
Beam Width: 20/27/24mm
Length: 27
Technology: One Piece Construction/Hexacore™

This unique new design from Donnay features true ONE PIECE CONSTRUCTION. We have done away with the separate stapled on plastic BUTT CAP. Now it's part of the racquet itself, for an even more solid feel which can never come loose. It's light stationary weight (10.2 ounces strung) and even balance result in an ultra-light swing weight that makes racquet-head speed wonderfully fast, accurate and lively. Its open string pattern make it perfect for the budding junior player who is working on cranking up topspin.

Similar in specs to the popular Babolat Pure Drives in head size and shape, stationary weight, balance and beam width in specifications, but you’ll find when you put the Formula Hexa's in motion you’ll feel much more power and control than the Pure Drive, and without the shock and vibration you feel from the wrist to the shoulder with the hollow Babolat

Our solid-core Xenecore tubing in the hoop allows the flexible frame to bend back on ball contact but recover in a nanosecond to launch the ball like a slingshot with a mid-to-full swing, or cradle the ball for directional control on volleys. The result is a quantum leap in power with a smooth buttery feel that our play testers described as “hitting hard but feeling soft. Other bonuses are a larger sweet spot and best-in-industry stability.

The Formula Hexa Unibody feels and sounds instantly arm-friendly — you’ll hear a resonant “thunk” at first hit unlike the harsh “ping” of hollow racquets.

It won’t make you work to keep the ball deep in your opponent’s court. Spin comes easy with its open stringing pattern.

In short, the Formula Unibody has a combination of "hits great/less filling."

Announcing something new at Donnay, Custom Stringing & Racquet Work by our very own resident CEO & Master Racquet Technician, Howie Matthews. With over 44 years experience in racquet stringing & multiple degrees in Material Science & Engineering, Howie is one of the world's most talented stringers & we are lucky to be able to share his expertise with Donnay customers. Also available will be a myriad of other types of racquet work, such as Custom: Weighting/Balancing, Gripping, Anti-Shock Mod's, Racquet Matching, and of course answers to any & all questions
We have available almost any name brand strings you would want, from: Alpha, Ashaway, Babolat, Gamma, Gosen, Head, Iso-Speed, Luxilon, Prince, Solinco Tecnifibre, Toa, Wilson, Vollmer, Yonex, of course our Donnay strings, along with some of Howie's own custom tailored string creations available only from his own Tennis Menace web site.
Feel free to contact Howie either prior to placing your order, or afterwards to arrange for the stringing of your Donnay Xenecore racquet before it is shipped to you. We can also provide custom work on racquets sent to us. He can be reached by phone daily, from 8:00 'til Midnight, Eastern at 877 DONNAY-7 or email

Additional Information

Additional Information

Head Size 100sq"
Unstrung Weight 275g
Unstrung Balance 335mm
Strung Weight 289g
Strung Balance Even
Strung Swing Wt 300
String Pattern 16x19
Stiffness (RDC) 62
Grip Cushion
String Tension 45lbs (+/- 10)
Beam Width 20/27/24mm
Length 27
Technology XēneCore™


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