BunteRapuzzle892 months ago000Is this possible with a rotary knob cylinder on the inside?Show in original language (German)harti2 months ago • purchased this product000purchased this product Helpful answerYes, you have to remove the rotary knob and order and use the corresponding adapterShow in original language (German)Comment2 commentsflorian.raebsamen2 days ago000I have the same problem, where did you find this adapter? Couldn't find anything official...Show in original language (German)Comment