Rotor Makes a bottom bracket that will allow for that crank to work on a bbright frame. I think that it is called a PF 43-24.

i also have a bottom bracket to make that crank work in a bbright frame. Its not an adapter, its a full bb system. $50 shipped. let me know if interested

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If you're interested in going shorter (which has its advantages), I have an fsa gossamer 170mm compact that came off a 2014 cervelo s2. Has about 200 miles and a bit of shoe rub on the crank arm. I'd ship it for $50. I can send pics if interested.

172.5 is the shortest that works for my long legs. But thanks for your inquiry.

I have an fsa gossamer bbright 172.5 compact with fsa rings for 40 shipped or an fsa k force bbright 172.5 standard with 53/39 rings for 150 shipped. The K force is stupid light

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I LIKE TURTLES!

Found! thanks for all of the inquiries guys!