Amazon.com: Gear Shifter Adapter Mod, Shift Knob Lever Extender Compatible With Logitech g29 g920 g923 g27 g25 Racing Wheel Accessories [8cm (3.15")] : Handmade Products
Amazon.com: XBERSTAR Shifter For Logitech g25 g27 g29 pedal to USB/adapter /converter/adapter cable/Logitech pedal to USB (For Logitech G29 G27 G25 pedał) : Video Games
New Aluminum M12x1.25 Gear Shifter Adapter For Logitech G25 G27 G29 G920 Gear Shift Head Adapter Modification Accessories SFN171 - AliExpress
USB Adapter USB Cable for Logitech G29 Shifter | eBay
Leo Bodnar USB Adapter for Logitech G25/G27/G29 Shifter