I have the National Cycle plastic ones no one likes. I had great hopes but was severely disappointed on the first cold ride. It seems the mirrors on the short stalks deflect the wind down onto one's knuckles perhaps even more so than without the hand shields. My hands were just as cold as before. I would take them off if it weren't for the bugs that get smashed on them. The summertime big ones would hurt on exposed knuckles or fingers. I hope these are better designed but the pictures make me suspect you will have the same results I did.
I have they National Cycle hand guards and I love them. The wind on mine blows around the hand and not on the gloves. I like them so much I leave them on year round. This allows me to wear very light gloves. They are clear so people don't even notice them. In the rain, my gloves stay dry. I like the look of the greatbikegear but I was not aware they were available in '10 when I added mine. They actually look more like the handguards on my Vstrom which is why I added them to my bagger. I loved them in wet and cold weather on the VStrom, so I wanted the same joy of all season riding on my bagger. It works and I do.
I have they National Cycle hand guards and I love them. The wind on mine blows around the hand and not on the gloves. I like them so much I leave them on year round. This allows me to wear very light gloves. They are clear so people don't even notice them. In the rain, my gloves stay dry. I like the look of the greatbikegear but I was not aware they were available in '10 when I added mine. They actually look more like the handguards on my Vstrom which is why I added them to my bagger. I loved them in wet and cold weather on the VStrom, so I wanted the same joy of all season riding on my bagger. It works and I do.
Had this set on my VTX a few years ago. They work ok, but I didn't notice my hands much warmer to be honest...maybe a little. Do keep the big bugs from knuckle busting you though.