pre-cut carbin fiber spinner, both the spinner and the backplate are carbon fiber.

3.5" for 50cc plane :  $75 / set

4" for 85cc plane:  $85 / set

4.5" for 100cc plane:  $99 / set

5" for 150cc plane : $105 / set

5.5"  : $120 / set

6" :     $130 / set