Tony, anybody who makes custom aliminum trees will be able to make you a set...or you can buy narrow custom Sporty ones and if they are fat enough you can bore them to 41mm of course..here is what I did with stock Evo XL trees...those are 41mm tubes now...
Tony,
Danny's stuff looks killer. If your after aftermarket trees, I think CCE was the company that made them to start with. I don't see them in their catalog, but you might give them a call. I'm also pretty sure Accutronix makes them.
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