wind deflector

I would like to add a small to moderate windscreen to my 75 R90/6. Anyone have sources of something that will work? Thanks all.

Hello, Looking for personal experience if someone bought a spoiler for their screen or if you just replaced it. I've got a GSA and I get buffeting on my helmet. I'm 5'10". I've narrowed my choices down to the Wunderlich Vario Ergo 3D deflector or getting the Wunderlich Marathon II screen...