Amazon.com: USB Gear Shifterr Knob for Logitech G29 G27 G25 G923 Thrustmaster TH8A ATS ETS2 Games,High Low Gear USB Truck Simulator Shifter Gearshift Knob : Video Games
USB Truck Simulator Shifter Gearshift Knob for ATS & ETS2; H Gearshift Shifter Knob Racing Shifter Only PC For THRUSTMASTER TH8A For Logitech G29 G920 G923 For FANATEC SQ PXN A10 Shifter,Silver -
Logitech G29 shifter knob adapter (DIY SKRS for trucksim) by jorgepatilawa - Thingiverse
Simulator Shift Knob EST2 USB Game 18 Gear Shifter Knob 3 Switch Replacement SKRS for Logitech G923 G29 G27 G25 TH8A - AliExpress
ALMAR SKRS gearshift knob from a MAN truck ATS ETS ; Logitech G29 G27 G25 | eBay
Gears Shifter SKRS Replacement, the Simushiftknob for Logitech - Etsy