How we test
How We Test Zero Gravi-Tees™
We believe performance claims should be backed by transparent, repeatable testing. The results below come from controlled robotic driver testing comparing Zero Gravi-Tees™ against traditional tees under matched conditions.
| Measurement | Zero Gravi-Tees™ | Traditional Tees |
| Added backspin | 0 RPM | +787 RPM |
| Added sidespin | 0 RPM | +84 RPM |
| Launch angle | 12.9° | 11.13° |
| Carry distance | 248.33 yds | 234.63 yds |
| Total distance | 272.23 yds | 256.63 yds |
+13.7 yds carry · +15.6 yds total distance · zero added spin off the tee.
Test conditions: Measured in controlled robotic driver testing (mechanical swing robot) comparing Zero Gravi-Tees™ to traditional tees under matched settings. Individual results will vary based on your swing, equipment, and course conditions.
Want the full methodology? Contact us at office@graavee.com or (248) 529-3443.