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
Adjusting the Weight of a Logitech G502 Hero - iFixit Repair Guide
Logitech G502 HERO Wired Optical Gaming Mouse with RGB Lighting Black 910-005469 - Best Buy
Logitech G502 HERO High Performance Gaming Mouse
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 - Walmart.com
Installing weights in the Logitech G502 Gaming Mouse - YouTube
Logitech G502 LIGHTSPEED Wireless Gaming Mouse, HERO 25K Sensor, 25,600 DPI, RGB, Adjustable Weights, 11 Programmable Buttons, Long Battery Life, On-Board Memory, PC / Mac - Walmart.com