string stiffness line

Discussion in 'Strings' started by JustTennis76, Jul 22, 2008.

  1. JustTennis76

    JustTennis76 Professional

    Mar 28, 2007
    Is there a specific string stiffness number that is considered as a line - For eg, if the stiffness of the string is above that number it is considered a stiff string or if the stiffness is below that number, would that be a soft string?
    I have access to the USRSA and got some numbers. Natural gut usually has a stiffness in the low 100s like 110-120 where as some synthetics like PSGD has 210. So, would PSGD be considered a stiff string? Should we also factor in which racket we put the strings on?
    FYI - I am using a K90 and would it cause arm problems if I string it with PSGD. Let me know your thoughts.
  2. YULitle

    YULitle Hall of Fame

    May 23, 2005
    Guymon, OK
    It's all relative man. Those numbers are only relevant when put together and mean almost nothing by themselves.

    For instance, my hunger level is 10. It says so right here on this device I have that measures it. But, you don't know what that means until you test yourself. Then you can compare. Same goes for strings.

    It's all relative.

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