Babolat drive 109 tennis racket this babolat drive 109 tennis racket is the lightest racket in the range and with a 109 sq in head it is easy to handle and generates significant amounts of power without long fast swings despite this it does not suffer from a lack of feel thanks to babolats unique technologies advancing on the cortex dampening system there is an all new dual material construction with an initial cds interface for maximum feel and a second cds that is 20 more flexible for