We have both these and the Show Chrome available. These are not really rated in Lumen's that I know of. In my opinion the Show Chrome version will put out a little more light in front at night, but the visibility of both are excellent. I have the Show Chrome version on my own F6B, but installed long before these were available.
Both are very visible to other motorists and work extremely well.
These turn signal versions with running lights are very popular and do look good as well as serving multiple functions. It just all depends on what you are looking for.