5pcs/pack Counter Weight Weighting Block For Logitech G502 Genuine Weight Block - Pc Hardware Cables & Adapters - AliExpress
Logitech G502 Hero review: Faster, stronger, but it is better? | Rock Paper Shotgun
Logitech G502 LIGHTSPEED Wireless Gaming Mouse
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's G502 Lightspeed is a wireless version of the fan-favorite gaming mouse - The Verge