# Ball Speed and Rev Rate

1.**All bowlers are different from one another. There are five categories of bowlers based on the speed-to-rev ratio, which are as follows:**

[![POWERPNT_YBYceLbqSd.png](https://wiki.spectrebowling.com/uploads/images/gallery/2025-10/scaled-1680-/powerpnt-ybycelbqsd.png)](https://wiki.spectrebowling.com/uploads/images/gallery/2025-10/powerpnt-ybycelbqsd.png)

2\. **It is VERY IMPORTANT to fully identify your player in order to select a bowling ball that meets their specific needs. Everything must be clearly filled out on this sheet, as shown in the example below:**

[![POWERPNT_vx3oE1RItD.png](https://wiki.spectrebowling.com/uploads/images/gallery/2025-10/scaled-1680-/powerpnt-vx3oe1ritd.png)](https://wiki.spectrebowling.com/uploads/images/gallery/2025-10/powerpnt-vx3oe1ritd.png)