Fibre Tressée Understanding T700 carbon in sports rackets

Stringing surface and balance: what the fiber does not say

Published on October 25, 2026 Reviewed October 25, 2026 3 min read

Text by the Fibre Tressée editorial team.

Let us begin "Stringing surface and balance: what the fiber does not say" with what matters most for what follows: the framework for reading set out here. Avoid judging a racket by its fiber alone while overlooking balance and stringing.

At the outset: the strung area of a badminton racket cannot exceed 280 mm in length and 220 mm in width, with a tolerance for the strings to extend into the throat (35 mm wide at most, 330 mm total length). The laws of badminton limit the racket to 680 mm in overall length and 230 mm in overall width.

The vocabulary to know

The definitions that follow will serve as reference points for the whole reading.

Shaft

The part of the badminton racket that links the handle to the head.

To illustrate, for example: the Laws of Badminton name the shaft among the components of the racket.

I refer you to the entry Shaft to go further.

Stringing surface

The area of the badminton racket occupied by the stringing, intended to hit the shuttlecock.

Let us take this case to fix ideas: the Laws of Badminton specify that the stringing forms a delimited surface within the head of the racket.

I refer you to the entry Stringing surface to go further.

In practical terms, for your case, the Rally catalog includes a carbon racket — a starting point.

The steps to take

Let us continue with this action: this process relies on automated equipment designed specifically for pickleball, used in the laboratory and on the court, with proprietary software analysis.

Why does balance matter?

From the standpoint of the regulations, the Badminton World Federation (BWF) has authority to decide whether a racket complies with the specifications of the laws.

On the rules side, here is what is established: the strings of a badminton racket must form a pattern of crossed strings, either interlaced alternately or bonded at their crossings.

Here is what the texts provide: the badminton racket must be free of added objects or protrusions, except those used to limit wear, dampen vibrations, distribute weight, or secure the handle, which must remain reasonable in size and position.

What are the common mistakes when buying?

On the rules side, here is what is established: paddles that are already certified remain compliant with the standards of their certification period, despite the arrival of the spin test.

Here is what the texts provide: USA Pickleball launched a spin rate test on October 1, 2026; paddles certified after that date must pass it.

On the rules side, here is what is established: a badminton racket cannot include any device that allows the player to significantly change its shape.

Where can you read this information?

Here is what the texts provide: the spin test procedure was released on July 15, 2026; until October 1, a paddle could still be approved with only the surface roughness and coefficient of friction tests.

Note this figure: the USA Pickleball spin test uses PaddleVision, a two-camera system developed by the Swedish company Image Systems, and sets a threshold of 2,100 rpm that must not be exceeded.

To close this presentation

Return to the headings that concern you most and reread them carefully.

Related reading

Sources cited

Sources and verification

  • This text draws on 3 sources: 1 official body or institution and 2 press articles.
  • Facts checked against their sources on October 13, 2026.
  • How sources are chosen and verified: Fact-checking.