Metal Mouse Pulley Scroll Wheel for logitech G403 G703 G603 G403 HERO G703 HERO | eBay
Got a G703 with scroll wheel issue for 20€ at an auction, I put a piece of paper between the scroll wheel and the encoder. Works like brand new and saved about
Logitech G703 LIGHTSPEED Wireless Optical Gaming Mouse Black 910-005638 - Best Buy