Amazon.com: Logitech G502 Hero K/DA High Performance Gaming Mouse - Hero 25K Sensor, 16.8 Million Color LIGHTSYNC RGB, 11 Programmable Buttons, On-Board Memory - Official League of Legends KDA Gaming Gear :
Does your G502 feel too heavy? Try placing your weights as shown (now including Lightspeed!), it alters the center of gravity so it feels lighter. : r/G502MasterRace
How to Install Weights in the Logitech G502 Gaming Mouse - YouTube
Logitech G502 Proteus Core Tunable Gaming Mouse With Weight and Balance Tuning | eBay