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 Proteus Spectrum RGB Tunable Gaming Mouse, 12,000 DPI On-The-Fly DPI Shifting, Personalized Weight and Balance Tuning with (5) 3.6g Weights, 11 Programmable Buttons - NWCA Inc.
How to Adjust the Weight of a Logitech G502 Hero - iFixit Repair Guide
1PC Mouse Tuning Weights for Logitech G403 G703 G903 / G PRO Wireless Mouse| Mouse Pads| - AliExpress
Logitech G502 X PLUS LIGHTSPEED Wireless Gaming Mouse with HERO 25K Sensor Black 910-006160 - Best Buy