The original G1 trackball black is supposedly as smooth or smoother than the original while. Many of the 'colorized' trackballs have suffered from poor quality issues.
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PS excuse my ignorace, but does the G1 or the one in the link still allow me to keep the chrome trim around the trackball or will that get replaced? I'd like to keep the chrome piece.
i had a few problems with the actual colored trackballs being too slippery but i haven't had any problems with the G1 trackball. it's slightly better than the original white trackball in my opinion