What string tension and grip size does Roger Federer use on his Wilson KSixOne Tour 90 K Factor Tennis Racquet

Question

Please find out the grip size 41/4, 4 3/8, 4 1/2 or 4 5/8 and the tensions 50, 51, 52, 53, 54, 55, 56, 57, 58, 59 or 60

thank-you in advanced

Answer 1

The tension is 50-55 lbs depending on conditions and opponent (he strings it with natural gut in the mains and banger in the crosses). The grip size is 4 3/8 inches with a heavy overgrip to add a little more width.

Answer 2

about 55 tension and 4 3/8 grip size

Answer 3

HI Bro