Hier http://www.pwp.com/tennisstrings.asp?id=910&cat=Tennis steht was zur RPM Team (weiter unten auf der Seite)
"Micro air bubbles injected into the strings make them more flexible than a classic monofilament without reducing durability"
...hört sich zumindest "interessant" an
"Micro air bubbles injected into the strings make them more flexible than a classic monofilament without reducing durability"
...hört sich zumindest "interessant" an

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