Falcon 21" Carbon Contra-Rotating F3A Props 21X20F 21X20R 21x22R Size:C2CR2120F which incorporates many new features

which incorporates many new features

Slot and polarity ：12N14P                        Cable Spec

- Built-in Detla

such as Futaba

and what we have today is the STRIX 4S Parallel Charging board that allows for up to 10 4s packs to be charged at once

Falcon 21" Carbon Contra-Rotating F3A Props 21X20F 21X20R 21x22R Size:C2CR2120F which incorporates many new featuresHand made from top grade graphite material, Crafted for top quality & maximum effectiveness at competitive prices, 100% attention from hub to tip for optimum performance, Every prop is individually inspected & pre balanced for immediate use from package, Newly launched in the US market new sizes arriving constantly. *** Final balance check is suggested before use due to uncontrolled conditions during transit *** Item No. Diameter x Pitch Shaft Bore mm