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
Find your G502 too heavy? Try arranging your weights as pictured. It changes the balance, making the mouse feel lighter. : r/G502MasterRace
Logitech G502 Proteus Spectrum With Tunable Weights | eBay
Logitech G502 Weight Reduction Gaming Mouse Mod - YouTube
Logitech G502 Proteus Spectrum Weight Tuning System - YouTube
Amazon.com: Logitech G502 Hero K/DA High Performance Wired Gaming Mouse, Hero 25K, LIGHTSYNC RGB, Adjustable Weights, 11 Programmable Buttons, On-Board Memory, Official League of Legends Gaming Gear - White : Video Games
Logitech G502 Lightspeed Wireless Gaming Mouse « Blog | lesterchan.net