Golf speed training system used to improve clubhead speed for distance gains. Compatible with Rapsodo MLM2PRO and MLM1.

• 5 milled Stack weights enable 30 weight combinations between 0g and 300g
• Dual-purpose weight case / phone stand
  
• With MLM & MLM2PRO’s R-speed platform, the Stack System can be used to measure and improve swing speed without ball impact, ultimately leading to distance gains.
  
• Highly engineered training club
  • Adult Sizing - 41.5"
  • Junior Sizing - 38.5"

TheStack App Training

• Rated 4.9 with over 4,200 Reviews on App Store
• 1-year License included, accessible on iOS, Android and Chrome Web.
  
• Dynamic speed training formulated by Dr. Sasho MacKenzie
• Guided workout timer for reps, sets, and rest intervals
• Custom speed metrics to track your gains
• Hands-free data entry using voice entry technology for non-integrated devices
• Bonus: Bundled access to Stack Putting ($59 value)
• Enables training and tracking for up to twenty local (i.e. family) users under one login.  App works with Family Sharing so the entire family can train easily on separate devices
• Access TheStack App from the App Store when your order arrives. Requires iOS 15.0 or newer.