Please join my Facebook group for updates and your questions. https://www.facebook.com/groups/bmkfreeflight



BMK B1 Tx Armband Adapter

Regular price £0.00

3D printed adapter for B1 transmitters.

  • Screw a metric 3mm (M3) metal screw to the holes and remove before the first use.
  • Remove the bottom hex nuts of your transmitters,
  • Loosen(half turn) the hex spacers between two PCB layers, so the screws may turn freely.
  • Place the transmitter to the adapter and tighten the screws. 


If you are looking for a compatible elastic armband here are the links:



I'm printing them for free.
You can also download and print it yourself.
https://www.thingiverse.com/thing:5021253