My G502 started to have some resistance on the scroll wheel. While I was cleaning it, I decided to roughen up the mouse 1 and 2 buttons : r/G502MasterRace
Logitech G502 Cleaning | Before & After : r/LogitechG
How to Clean a Wireless Mouse
Logitech G502 LIGHTSPEED™ Wireless Gaming Mouse | Lenovo US
Logitech G502 Disassembly & cleaning - YouTube
Logitech G502X review: The best button configuration on a gaming mouse | PCWorld
Logitech G402 Hyperion Fury Review - RTINGS.com
Cleaning a mouse | Tom's Hardware Forum
Logitech G502 X review: two clicks forward, one scroll back | Rock Paper Shotgun