I had them for about a year or so and got rid of them. They look cool and I really tried to like them but I just couldn't get used to them, they're too wierd. Also my hands would go numb even on short rides, less than ten miles. Couldn't ever find a decent hand position where I could just leave them there rather than keep moving all over the bars. My back liked them, though.

I traded it for a Nitto Technomic stem and I'm using that w/ GB radonneur bars. Feels much better.