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
Buy Logitech G502 Hero Wired Gaming Mouse - Black | Laptop and PC mice | Argos
Logitech's G502 Lightspeed is a wireless version of the fan-favorite gaming mouse - The Verge
Logitech G502 X review: two clicks forward, one scroll back | Rock Paper Shotgun
Logitech G502 Hero review: Faster, stronger, but it is better? | Rock Paper Shotgun