Installing weights in the Logitech G502 Gaming Mouse - YouTube
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 LIGHTSPEED Wireless Gaming Mouse
Logitech G502 Lightspeed Review | USgamer
Logitech G502 Lightspeed: Pricey But Reliable and Highly Customizable Wireless Gaming Mouse