BunteRapuzzle895 months ago000Is this possible with a rotary knob cylinder on the inside?Show in original language (German)harti5 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)Comment3 commentsflorian.raebsamen2 months ago000I have the same problem, where did you find this adapter? Couldn't find anything official...Show in original language (German)Comment