The Savant of Speed
The Stack System provides dynamic programming directly from golf's leading biomechanist. Speed training secrets previously reserved for Tour players, now available to you.
5 CNC milled Stack weights combine with a custom engineered shaft & hardware to create 30 unique combinations for unlocking dynamic variable inertia speed training.
Training made easy with our award winning App. Guided programs, timers, effortless data-entry, and track key metrics on your speed journey.
"The App is a game-changer and keeps me motivated and on track with my training." -Aaron V.
Programs designed in the lab - and proven on Tour - that respond dynamically as you level up your speed.
You'll need a compatible speed tracking device to get started. The PRGR Pocket Radar is the most popular. Click below to compare all options.