Your Personal Trainer For Bat Speed
Dynamic Training Programs
Your Own Personal Speed Trainer
Tracking & Sharing Metrics

The Stack Baseball Hardware

Bat Speed Sensor
5 CNC Milled Stack Weights
Tapered Handle with Stack Grip
Threaded Fastener
Bat Speed Sensor
5 CNC Milled Stack Weights
Tapered Handle with Stack Grip
Threaded Fastener
Dr. Sasho MacKenzie
MLB biomechanics & bat fitting consultant
Golf’s foremost biomechanist
