Replacement gear knob to fit Logitech Driving force G27G29/G920/G923 Shifter 28mm diametre 85mm long. Kit comes with Neo chrome Aluminium Gear knob and Adapter.Simply remove the cap on the standard shifter, uncrew and remove, then fit the adapter and tighten the original screw.Finally screw the new Shifter knob on. Please contact me with any questions
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