Logitech G502 Lightspeed review: The Swiss Army knife of mice | ZDNET
Extra Weights for Logitech G502 (910005565) Wireless Gaming Mouse | eBay
Logitech G502 HERO High Performance Wired Gaming Mouse, HERO 25K Sensor, 25,600 DPI, RGB, Adjustable Weights, 11 Programmable Buttons, On-Board Memory, PC / Mac - Walmart.com
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
How to Install Weights in the Logitech G502 Gaming Mouse - YouTube
Amazon.com: Logitech G502 Lightspeed Wireless Gaming Mouse, 25K Hero Gaming Sensor, 25600 DPI, RGB, Ultra-Light, 11 Programmable Buttons, Long Life Battery, PowerPlay-Compatible, PC - Black : Video Games