This balckberry trackball or a roller ball is for model 8300 8310 8320. We provide trackball ring and the ball. Blackberry trackball is avaibale to purchase online or can be picked up from our toronto mississauga blackberry repair center. We can ship this part in Canada USA or anwhere where in the world.
Please note: Blackberry trackball cleaning will not help, simply replace it to a brand new oem rim blackberry trackball from us.