RacketLab is a tennis racket customization app designed to help you test and compare setups with confidence. Change weight, balance, length, head size, string tension, and lead placement to see how each adjustment affects your racket’s specifications. Instantly review updated values such as total weight, balance, swingweight, comfort, maneuverability, control, and power. RacketLab helps you explore different configurations in a practical and visual way, making it easier to understand the impact of every setup before applying changes to your racket. Features Edit racket specifications in a simple interface Add lead tape to different positions on the racket Compare original and modified setups View balance in HL points or mm View tension in lbs or kg Track changes in swingweight and overall specs Export customization reports to PDF