Lightweight carbon fiber spinner with pre-cut propeller slot and CNC cooling holes. 70MM is equal to 2.75 inches
Distance from backplate to tip is 62mm or 2.45 inches
Weight with backplate is 17.4 grams or .615 of an ounce
The center of the backplate with the provided insert is made for an 8mm shaft,
Popular on most motors. Without the insert, it is 10MM.