Gamma RZR Bubba 137 Tennis Racquet

  • Gamma RZR Bubba Tennis Racquet
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Grip Size
String Options
Main String
Cross String


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The Gamma RZR Bubba marks the return of the beloved super oversized frame specification to Gamma's racquet line. The ultimate sweetspot of any game improvement frame on the market today, now with a more aerodynamic beam design and a striking new graphic. The most powerful option in the RZR line, with a super oversized 137 square inch head, 29-inch length, tapered 22/24/22mm beam, and 10.40 oz. strung weight for added forgiveness. Great option for the beginning to intermediate player with a slower swing. Quite hefty 408 swingweight, but surprisingly maneuverable and rewards those able to swing with amazing power! Denser 18x21 string pattern to keep the power in check.

Gamma RZR racquets utilize Advanced Aerodynamics, with unique geometric contoured shapes designed to deflect and streamline airflow around the frame. Rounded radius surfaces, Tapered Bridge Beam, and Low Profile Bumper allow the RZR beam to easily channel airflow around the frame regardless of attack angle. M Carbon composite matrix increases strength at key points on the frame for optimal power transfer.

NOTE: Due to the headsize of this racquet (and length of string required), any string upgrades will incur a charge for an additional set of string.

If selecting tension "Below Range", please note at checkout within the comments field your desired tension value.

Item #: RGRZB

  • Headsize: 137 sq. in.
  • Length: 29 in.
  • Weight (strung): 10.40 oz.
  • Stiffness (Babolat RDC): 65
  • Balance: 15.40 in. Head Heavy
  • Cross Section: 22/24/22mm Tapered Beam
  • Swingweight: 405 kg*sq. cm
  • String Pattern: 18x21
  • Grip:Gamma RZR Tac

5 Stars

Bob A from on 11/6/2021 12:00:00 AM wrote:

I'm a 65 yr old ranked senior 4.5 mainly playing singles. I've been using the 137 for a couple weeks and am very impressed. I've noticed improvements in all facets with no real downside. I like the head heavy feel for groundies and the xtra length has helped my serve, wide balls, and especially low, short balls. Currently strung with solinco confidential 18 @ 58.

Bubba 137

5 Stars

russell johnson from AL on 1/13/2021 12:00:00 AM wrote:

Great racket for me. Great doubles and mixed doubles racket. It has power and control and great on volleys. People now think my name is Bubba.

Makes me younger

5 Stars

Bruce Jacobs from CA on 6/17/2017 12:00:00 AM wrote:

Great spin and power. Takes some getting used to. My friends who play the racket say 3 months to get touch. Very pleased.


5 Stars

George from KS on 9/2/2016 12:00:00 AM wrote:

Love this racquet! As I’m reaching older age I have been testing a few extremely oversized frames to help me out on the court. The power on this frame is unbelievable! If you string this with a poly string, you can get great control and spin. I string mine at a low tension so I’m able to get that extra boost of power as well. Like I said I have been trying oversized frames for some time now, but none of them seem to compare to this. It seems to play as a smaller player’s racquet would! The sweet spot is great (and huge of course), but even if you are not right on the money this racquet helps you out in every way. I was shocked by the balance of power and control in this large of head size. If you are in the market for an OS frame, definitely give this a try!


5 Stars

carlos from FL on 4/28/2015 12:00:00 AM wrote:

Excelente raqueta con mis 70 a+-˯s, puede por su superficie dar mas efecto en los saques , tospin en los golpes y profundidad sin tantos esfuerzo , la recomiendo


4 Stars

dom from NJ on 10/14/2014 12:00:00 AM wrote:

this was a demo racquet . I liked the power but not the maneuverability , to be fair I did not use this racquet as much as I would have liked .

Gamma Razr Bubba

5 Stars

Harold A Kligman from FL on 3/17/2014 12:00:00 AM wrote:

I enjoyed playing with this racquet, especially the large sweet spot, & the racquet length.

Gamma Bubba RZR

5 Stars

John from FL on 1/16/2014 12:00:00 AM wrote:

Demo program was great - competitive, prompt, with friendly, knowledgeable, & courteous personnel. So far the racket has lived up to its description. Head heavy & not a light racket @ 10.4 oz. strung but very maneuverable & easy on the arm.


5 Stars

Jean from OR on 11/21/2013 12:00:00 AM wrote:

As a 75+ mens tournament player I bought this racquet looking for more swingweight and length in the 135 size in order to get more punch with the serve and ground strokes. It has given me both. I can hit aces and punch the ball with authority on ground strokes with less back swing. Excellent seniors racquet.

great racket

5 Stars

george from GA on 5/10/2013 12:00:00 AM wrote:

I strung this racket with a good hex polly string. I feel this racket has the control of the smaller head racket I was using [ a very popular racket]. With its larger head I can topspin or slice my shots with more pop, [larger sweet spot] and my serves seem to have more control in placement.