The Head You Tek Graphene Speed S tennis racket is excellent for those who seek more spin, added pop & less effort. This is achieved due to the worlds lightest material, Graphene, combined with an open string pattern. The Speed S tennis racket is the lighter version of the MP racket. It has all the benefits of the MP but with easier playability & greater manoeuvrability. The racket utilises a 100in 2 (645cm 2) head size & is head light balanced. in addition, the 16 x 19 string pattern delivers extra control & spin on every shot.