The ball won't go onto the metal arm / Struggling to get the ball on the steel rod
We made some big improvements to the way the ball attaches to the TopspinPro. We copied the paint roller mechanism so something inside the ball locks it firmly to the steel rod. It also spins a lot better. However, it may be more difficult to install in comparison to the old ball.
Does this article need improvement?
Your feedback and opinions are valuable and appreciated.