Amazon.com: LZYDD Replacement 10g Weight with Weight Door Cover for Logitech G403/G703/G903/G502/G Pro Wireless Gaming Mouse (Black Weight + Door) : Video Games
Close to endgame. G403 wireless, weight mod in progress : r/MouseReview
1PC Mouse Tuning Weights for Logitech G403 G703 G903 / G PRO Wireless Mouse - AliExpress
Amazon.com: Logitech G403 Hero Wired Gaming Mouse, Hero 16K Sensor, 16000 DPI, RGB Backlit Keys, Adjustable Weights, 6 Programmable Buttons, On-Board Memory, Braided Cable, PC/Mac/Laptop - Black : Video Games
Three New Heroes Join The Logitech G Lineup | logi BLOG
Logitech G403 HERO Gaming Mouse with LIGHTSYNC RGB Lighting