the sun cover made by high spring fabric material, prevent strong sunlight hurt cockpit, and motor, keep film cool .
there are 6 size:
20cc: for span 58"-64"
30cc: for span 70"-75"
50cc: for span 78"-86"
70cc: for span 90"-95"
120cc: for span 100"-106"
170cc: for span 114"-125"
