Size:2.75"(70mm)(For 65-74in plane),we have other 6 size,if you need please find in our store or email us.
Color:White, Yellow, Blue, Red and Black for choose.
Quantity:1 piece
Hollowed spinner cone and aluminum backplate with beveled fan leaves, providing extra backward airflow into the cowl
Excellent cooling effect for brushless motor, especially beneficial for extreme 3D flying
Backplate made of high quality aluminum by precise computer numerically control (CNC)
Light weight, ideal for electric 3D aerobatic and F3A pattern planes
5 colors: White, Yellow, Blue, Red and Black; 6 sizes: 51, 57, 63 70, 75 and 82 mm (diameter)

