Velocity-X drone motor spacer and bumper

On my Carbix Velocity-X drones I couldn't tighten the motor plates as I think I had to, because I started bending the motor CF plates thus losing motor alignment. It especially happened in the rear motor plates because I do not mount the rear CF beam for making easy the battery installation. These parts here allowed me to tighten the motors as I wanted and they also act as a bumper plus protect a bit the bottom CF motor plate. Added pluses are that they also give a nice color touch and hide the