Topspin's newest flagship string, the Cyber Twirl is a 3rd generation co-polyester string with a unique pentagonal profile. In addition to the five edges, Cyber Twirl is also twisted for added ball bite. Cyber Twirl is a nice soft co-poly with plenty of power and lots of control. The spin from this string is fantastic. With almost no string movement, Topspin Cyber Twirl is a great choice for the hard hitter.
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