cannondale f7 BB

niftydog

Likes Dirt
They appear to be a standard 68mm / 73mm English thread, square taper, though I'm just going by what's on Cannondale and FSA websites.
 

niftydog

Likes Dirt
170mm is the length of the crank arms and doesn't tell you anything about BB fit.

Sounds to me like you'd be best to seek some advice from your LBS.
 
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