Strings with Jens Barthelmes

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Strings with Jens Barthelmes

In this Episode I chat again with Jens Barthelmes! Jens gives us a few updates on the world of tennis strings; he also talks and gives advice on what string type and set up is better for players with certain game styles. He talks about strings, string companies, trends in the stringing world and also about his exciting new project which he will launch in 2021, and much more!

Jens is the founder of He has extensive knowledge in the field of tennis strings, stringing machines and racquets is a platform for tennis players who string their own racquets and want to share their experiences with other stringers.

Besides the popular discussion board; the high amount of tennis string ratings and stringing machine reviews are the central aspects of this website. In addition, offers extensive information about tennis strings, stringing machines and racquet stringing.

Interviews, user polls and reports complete this site and make it a valuable place for tennis players to visit. SOME MORE INFOS ABOUT STRINGING

- All tennis racquets come with a recommended tension range from the manufacturer.

This is both for optimal performance and to ensure you don't string at too high a tension, which will severely deform the frame or even crack it. - string tension impacts two variables: Dwell time is the length of time the ball stays on the strings.

Coefficient of restitution is the measure of the elasticity of the collision between the ball and the racquet (a higher COR means more elasticity (livliness). - The lower the string tension, the longer the dwell time. This results in an increase in power due to the so called trampoline effect and more energy being returned to the ball.

- Lower tensions give you: More Power, More Comfort, More Durability (although not always the case), More Feel - While the general principle that low tension gives more power is quite easy to prove. The claim that higher string tensions give more control is a harder one to explain, is it because higher strings make spin easier? Or simply the fact players must swing harder (in turn producing more spin) to hit with sufficient depth when their racquets are strung tighter? As is always the case, there is certainly plenty of anecdotal evidence that players feel more control when using a high string tension and there's likely enough of it to say, yes, higher string tensions do produce more control.