Tension can have major impact on how your tennis racket performs.

When a racket is restrung, it will be calibrated to a certain weight. This is known as “tension.” All racket frames come with manufacturer’s recommendations on string tension. Most tennis rackets will have a recommended range listed near the throat of the racket.

Depending on the tension you choose, the difference can be stark. In general:

  • Higher tensions can lead to more control.
  • Lower tensions allow for more power. 

Typically, our technicians string between 50 and 60 pounds, with 60 being on the control end and 50 being on the power end


This is the measurement or size of the string. This measurement is typically read in millimeters or gauge numbers. The size of the string typically have the following effects:

  • Thinner strings generally have improved playability.
  • Thicker strings tend to be more durable.

Tennis string gauges start at 15, which is the thickest string. They go up to 17, which is the thinnest string. You will also find half-gauge tennis string labeled with an L after the numbers (15L, 16L, 17L). These strings are thinner than the corresponding number, but thicker than the next number. For example, 15L string is thinner than a 15 but thicker than a 16.


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