The IA is threaded? I could have sworn it was BB30. If it's the latter and not the former then what you linked won't work. The good news is you can merely pressing in some BB30 bearings and run spacers to take up the space on the Red Quarq (I have the same crank on my Up and love it). Another solution, and one I might do for my Da, is this guy from bbinfinite

The second link you posted should work on the FR1. However, I'm not a fan of those solutions. I'm using a Wheels Manufacturing on the UP and pretty happy with that guy. Now, you could also run bbinfinite there too.

ETA: You're right. Felt's Website says it's BSA Threaded. It looks like they made a switch on the disc frames. That's cool. Yeah the link you posted will work and if you want options there are Wheels Manufacturing or bbinfinite

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According to this:

https://feltbicycles.com/...disc-triathlon-frame

It's BSA 68 threaded.

I'm shocked!!!

Yup. That's what I saw too! It's awesome they made that change, but Felt's still using the same BB30 mold on the rim brake model.

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Nope, I think they changed to BSA threaded for all 2019 bikes.

And thanks for the links, I will prob go with the wheels manufacturing. I like the idea of threaded as opposed to pressed as well.

You're right. I looked at the 18 frame set model. Doesn't look like a rim brake frame set is offered for 19?

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I've heard they will offer an IA10 2019 frameset, so we'll see