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投稿者：tennisexpressさん

再生回数：71

再生時間：04:02

The Tennis Express Racquet Review Team takes on the Boris Becker Delta Core Power.To view specs/ demo/ purchase this racquet:http://www.tennisexpress.com/BORIS-BECKER-Delta-Core-Power-Tennis-Racquets-15991Boris Becker cranks up the power with the Delta Core Power. This racquet features two new technologies: Double Rail Technology and the eponymous Delta Core. At 3 and 9 o'clock, the DRT system features two braces, which strengthen the racquet, helping it resist twisting. The DRT also teams with Delta Core to create an arm-friendly hit. Delta Core technology features carbon nanotubes placed in a triangular shape. This Delta Core Power is a good option for players who are looking for a lighter weight racquet but still crave the stability and power of a heavier stick.