Wind deflector Shoei R, Suitable for the following Shoei helmet models: GT-Air 3 Wind deflector. Ensures silence in the helmet. The Chin Curtain reduces wind turbulence in the lower part of the face and the noise level in the helmet. Please refer to the manual of your helmet for mounting instructions. Wind deflector. Ensures silence in the helmet. The Chin Curtain reduces wind turbulence in the lower part of the face and the noise level in the helmet. Please refer t