Just to let you know that my son and I have completed the e-trike conversion kit on my HP Velotechnik Scorpion FS. It was a challenge but with Ali’s recommendations, the on-line videos and some improvisions, we got it going. It is great and I am impressed with how it works. I find that level 1 is plenty of assistance… at level 5 it must be like a bullet!!!!…at least very fast!! I am ready for summer!!! Thanks for the great product. It does work on a recumbent trike… PS.. As a suggestion, an optional throttle for the right hand side would be great. I had to install it in a way that the wiring was pointing downward and that made the actual throttle on the other side of the handle.