they will do everything you need very well, they are pretty stiff in a sprint and fairly comfortable over the long haul. a carbon bar is going to be more comfortable definitely but for the money these are an excellent choice.
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Familiarity: I've used it several times
The shape changes abruptly from the stem attachment area which makes putting any sort of attachments (lights, garmin mounts, etc) nearly impossible. It's a bit of an awkward bar and not forgiving on less-than-perfectly-smooth roads.