Originally Posted by Dags
No. Your best bet is to take off the leather grip, apply a heat shrink sleeve (TW sell them in both half and whole sizes), and then put the leather back on.
If you don't like the idea of that, consider selling / trading your racquet to get one with the proper grip size.
this. you may also want to add lead to the frame b/c the sleeves do add some weight. (to achieve the same balance).
I got some rackets, and I got a stringer.