i too am experiencing the same from Dengfu. Melody seems helpful, but I am uneasy they way they do transactions. I have heard others had success but still.
Did you know there are 2 completely different website.
Dengfubike.com (with paypal builtin)
And
Dengfubikes.com (they send you a...
I see that the SSS 56104 IS a popular choice for motors and gear reduced with a Parker.
Yet some of the guys are using different ratio gear reduction
Does anyone have a theory on the relationship between motor, gear ratio and propeller size?
A chart would be nice to see. :D