TennisFlex is the #1 Tennis Training Aid in America!

- tennisflex.net

Janko Tipsarević the current World No. 10 ATP Ranked Pro tennis player, stays tennis-tuned and powers up before matches with TennisFlex. The first racquet integrated tennis-specific resistance training and conditioning exercise device. The innovative integration of the tennis racquet and resistance cord system creates

5,733,035 $ 240.00