Logitech G502 Proteus Spectrum Weight Tuning System - YouTube
Amazon.com: Logitech G502 HERO High Performance Wired Gaming Mouse, HERO 25K Sensor, 25,600 DPI, RGB, Adjustable Weights, 11 Programmable Buttons, On-Board Memory, PC / Mac, Black : Video Games
Logitech has made its award-winning Logitech G502 gaming mouse even better - MSPoweruser
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
Logitech G502 Hero & Lightspeed Review
i don't understand how people find the g502 heavy i use it like this every day : r/G502MasterRace