Logitech G603 LightSpeed Gaming Mouse and Logitech G613 Mechanical Gaming Keyboard Mouse Combo Set , with Original Package|gaming mouse|mouse combomouse set - AliExpress
Repair Parts Mouse Encoder Wheel Scroll Click Switches Board for Logitech G603 Mouse Wheel Board|Mice & Keyboards Accessories| - AliExpress
Best Buy: Logitech G603 Wireless Optical Gaming Mouse Black 910-005099