The new and updated racket in the great kinesis range the carlton kinesis ultra badminton racket is extra stiff and packs top technologies to boost your game the micro grommet system along with the vortex geometry technology ensures excellent aerodynamics and easier swing and control moreover the xtreme tension frame design will accommodate 11 higher string tensions safely while the aerofoil grommets allow to generate more head speed and improve manoeuvrability as well as forgiveness on