Free Shipping RC Boat Spare Parts Double 550 Motors Mount+Universal Joints+ 320A ESC+ Metal Shaft + Metal Properller Assembly Set #1737
Propeller: 4-blades, metal propeller,diameter 55mm,1xpositive+1xreverse
Shaft: diameter 4mm,length 250mm,with 200mm shaft sleeve.
3.175-4mm universal joints
Propellers : 4 blade D55m A pair
Package include:
1x 320A ESC
2x Mounting bracket ( alloy)
2x Shaft ( Stainless steel)
2x Propellers ( positive and reverse )
2x Universal couplers ( brass )