Dunlop force 100 tennis racket play with power feel the force with this dunlop force 100 tennis racket the parallel strung design offers an increased sweetspot while the multi shaped racket head offers a number of benefits the aero geometry improves speed and power with a pentagonal geometry shaped neck that offers power and stability complete with aero boost grommets that offer less drag and more speed the spx technology reduces shock as the ball hits the racket with an energy cool that