Maybe one of these similar products would be of interest:-
For KYT TT COURSE TTC Motorcycle Helmet Rear Trim Helmet Spoiler Deflector Cover
For AGV K1 K 1 Motorcycle Rear Air Trim Helmet Tail Spoiler Helmet Accessories
For K6 K 6 Motorcycle Rear Air Trim Helmet Tail Spoiler Helmet Accessories
Motorcycle Helmet Spoiler For HJC RPHA12 Wind Diffuser Rear Trim Helmet Deflecto
Motorcycle Rear Trim Helmet Spoiler For HJC RPHA 11 Tail Helmet Spoiler Accesori