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I have that exact same one and must say it’s shit. Either the titanium shell is in diameter a touch big or the wedge cluster small. nevertheless, if tightened (with carbon paste) properly, it slips. If tightened so that it doesn’t, the saddle rails bite into the side of the shell. Also, it’s almost impossible to make micro adjustments becasue the saddle is either completely free, or stuck in the wedge and to undo it, you need to literally break it free by pressing & pulling on your seat.
10/10 would buy again.
I'd be tempted to file the TiTo clamp by 1.5-2.0mm, as it looks just about chonky enough. Obviously not a great plan A though, would rather buy a dedicated 7x9mm rails post.