Another with a clunking noise

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VLL
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Another with a clunking noise

Post by VLL » August 11th, 2018, 6:48 pm

It's only my 4th workout on my new BikeErg, and I've got a clunking noise that sounds just like what another user had and posted about last October. His turned out to be a bad bearing in the crankshaft. That sure sounds like what mine could be -- sound is coming from that area somewhere. The phones are closed at Concept 2 or I'd call. But in the meantime, I'm curious -- have others had the problem? Has it turned out to be the bearing each time?

Guess I won't be riding my new BikeErg for at least a short while . . . .

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Citroen
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Re: Another with a clunking noise

Post by Citroen » August 12th, 2018, 4:04 am

Tomorrow pick up the phone and call Concept2. They will help you fix it or replace it.

VLL
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Re: Another with a clunking noise

Post by VLL » August 12th, 2018, 4:06 pm

Yep, plan to make that call first thing. The weekend has prevented me from doing it yet. Thanks.

VLL
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Re: Another with a clunking noise

Post by VLL » August 13th, 2018, 11:53 am

Just to close the loop on this . . . I called Concept2 this am. It proved the value of calling support as soon as possible. They had it fixed in less than a minute. It wasn't the bearing (which the support agent assured me is very rare). It was just a single screw that somehow guides the belt that needed just a bit of tightening. All it took was about a quarter turn to cinch it down as tight as it would go. Bingo. Fixed. Easy peasy. So the advice is this: Call Concept 2 in the unusual instance that there is an issue with your BikeErg. The fix may well be easy, and taken care of in the blink of an eye. Great product. Great support.

Insomniaklol
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Re: Another with a clunking noise

Post by Insomniaklol » December 2nd, 2018, 9:44 am

Do you know remember where the screw was located? I have a similar issue.

chipman
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Re: Another with a clunking noise

Post by chipman » December 2nd, 2018, 11:34 pm

I believe it's the bolt on the r/h side below and to the right of the "bike erg" decal.

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Citroen
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Re: Another with a clunking noise

Post by Citroen » December 3rd, 2018, 5:10 am

Pick up the phone and call Concept2. They will help you fix.

kyedraper
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Re: Another with a clunking noise

Post by kyedraper » December 19th, 2018, 10:18 pm

Hello,

Adding my experience to the thread, it seems slightly different than all others.

Erg came in today, rushed home to put it together, immediately hopped on it at the gym and we proceeded to see who could reach the highest rpm...

Anyway, warmed up with the erg and during acceleration (seemingly), there was an intermittent clank/pop noise somewhere in front of the crank. Depending on where you looked/listened from, it seemed to come from the crank, pulley system, and even the flywheel portion.

After taking it apart and looking for visual cues (finding nothing), I went through and checked all the pre-installed hardware for tightness. There are two through-bolts which fixed the issue. They both have the locking nut on the right side of the erg base. The first one is directly under the left half of the first 'c' in concept. The second is directly under the space between 'n' and the second 'c' in concept. I cranked these down two/three turns and the noise went away.

From what I can tell, these bolts/nuts will never be completely tight. What I mean is they will continue to pull the two sidewalls together (of course there's a limit)... Don't over-tighten them.

Hopefully this permanently solves my noise problem.

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