The Gemfan Flash 2540 Props come as a set of four including 4 CW and 4 CCW propellers. They have a double m2 screw mount hub for 11XX motors. This prop was designed by engineers and tested by racing pilots. These propellers are made of polycarbonate and are incredibly durable.
NOTE: This includes two complete sets of props
2.5 inch triple blade propeller
Mount with 2 x M2x7mm screws
4 CW Propellers
4 CCW Propellers
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Complete builds using this part: