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FSA comet / mega exo loose, what to look for?

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FSA comet / mega exo loose, what to look for?

Old 06-23-22, 04:38 AM
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eddiearniwhatev
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FSA comet / mega exo loose, what to look for?

Hi, my drive side fsa comet modular crank is loose. Started when I over tightened the drivetrain on my Kona unit X (single speed).

Now, no matter how much I adjust the crank bolt and retaining cup, it won't hit that sweet spot between too much play and too much resistance.

I am told I need to replace the b/b and the crankset. Seems wasteful to me. I need more information.

What is broken here? What upon close examination should I look for?

Thanks
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Old 06-23-22, 02:58 PM
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cxwrench
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Originally Posted by eddiearniwhatev View Post
Hi, my drive side fsa comet modular crank is loose. Started when I over tightened the drivetrain on my Kona unit X (single speed).

Now, no matter how much I adjust the crank bolt and retaining cup, it won't hit that sweet spot between too much play and too much resistance.

I am told I need to replace the b/b and the crankset. Seems wasteful to me. I need more information.

What is broken here? What upon close examination should I look for?

Thanks
The bicycle mechanics section, not the mtb section.
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