If you like players sticks but the weight can be a little much for your style Dunlops Biofibre M 21 should be right up your alley By reducing the weight 13 oz over the F 21 Tour Dunlop has designed a control frame for the modern topspin style Less weight will allow for higher racquet speeds and greater ability to sweep the racquet up the back of the ball for topspin A more open 16x19 string pattern also allow for extra ballbiting grab and yet more spin The other 21 control and feel features are also in the M 21 A 95 square inch head size headlight balance low flex and narrow 215mm beams allow hardhitting players maximum stability and control from all areas of the court Dunlops new technologies help increase the comfort and control properties of their flagship players frame Biofibre in the racquet shaft increases shock absorption by 18 for toplevel comfort Aeroskin Cx is placed strategically on the frame according to the demands of the F 21 Tour player type providing increased racquet speed through reduced aerodynamic drag MoS2 grommets allow for reduced string friction within the grommet holes and a 27 increase in string movement for enhanced power and spin Stronghitting modernstyle players will benefit from the M 21 if they need feel and control with extra racquet speed