Originally Posted by rovex
I wasn't aware myself until this happened, it's supposedly lighter.
Right, they are not as strong as men. so they need lighter balls. it is meant to prevent injuries. but these lighter balls wear out real fast.
Babolat Pure drive 2012, 55 lbs, Kirschbaum Proline X / X-1 biphase. Nalbandian backhand and Nadal forehand.