Does your G502 feel heavy even without any weights? Try placing 2 as shown. It moves the center of gravity, and makes it feel lighter. : r/G502MasterRace
Logitech G502 Lightspeed Wireless Optical Gaming Mouse with RGB (910-005565)
Logitech G502 Proteus Core Tunable Gaming Mouse With Weight and Balance Tuning for sale online | eBay
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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 Lightspeed Review: The Perfect Gaming Mouse Goes Wireless