I'm not sure which Syntace you are talking about. There is the C2 and The Streamliner, not a "C2 Streamliner." I assume that you are talking about the C2, and yes, the profile fits beautifully on the C2s. I like the curves on the C2 b/c they give me the perfect hand position and leverage for "semi aero" position like on long gradual climbs.

I think you'll like the C2s. Good Luck,

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David
* Ironman for Life! (Blog) * IM Everyday Hero Video * Daggett Shuler Law *
Disclaimer: I have personal and professional relationships with many athletes, vendors, and organizations in the triathlon world.

Can't comment on the Profile bottle as I'm not familiar with it but the C2 Ultralites or C2 Steamliners work very well with the Syntace Jetstream bottle. Have both sets of these bars and both are very comfy.

The C2 works fine with the Profile aero drinks system - it fits very snuggly