Discountinued 3 axis stick.

Hello HK
Happy new year to all.
I would like to buy more of :Quanum Single Stick 3 Axis Gimbal Upgrade for Turnigy 9XR/9XRPro Tx's.
Seems you have decided to discontinue the item , any ground for this the one I bought is a superbe piece of kit , I would hapilly buy a couple more.
Best
Georges