Tacx tariner with sram universal hanger


I have been using the tacx vortex trainer with my mountain bike for a while now. I just had to use a special 12mm  axle to make it work.

I recently bought a new bike which has the SRAM UDH (universal derailleur hanger). Since this hanger has a kind of cap on the drive side, It is no longer possible to use this axle. 

Is there any way to use this bike on the trainer? I can't find any information about this. I found this thing, but I'm not sure if it's what I need: