Critical Connector Pin Placement

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Critical Connector Pin Placement

Postby Mca.and » Mon Jan 20, 2014 2:41 pm

After installing a new 10 spd shimano ultegra chain - I realised that I installed the reinforced connector pin on the wrong link. See image below:

http://www.yaroc.ch/bike/B_incorrect.png

This is the correct way of installing it (how I should have done it):

http://www.yaroc.ch/bike/A_correct.png

Do you think that I am going to have to reinstall the chain based on this? The pin installation was virtually perfect. The chain was placed facing the correct way etc...

I can't see how the two scenarios are that different as the chain will be experiencing equal forces in all directions...
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by BNA » Mon Jan 20, 2014 3:21 pm

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Re: Critical Connector Pin Placement

Postby biker jk » Mon Jan 20, 2014 3:21 pm

I wouldn't worry about it. Shimano do say the chain is stronger when the join is at the front of the link with the outer plates but it won't break in normal use. I accidently joined a chain incorrectly a few years ago and it never broke.
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Re: Critical Connector Pin Placement

Postby Mca.and » Mon Jan 20, 2014 3:37 pm

Does anyone know why the chain is actually stronger?
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Re: Critical Connector Pin Placement

Postby Duck! » Mon Jan 20, 2014 6:23 pm

I'm yet to discern any difference in strength from joining at either end of the link. But whatever you do, do not remove that pin with the intention of rejoing at that point. Extraction of the joining pin will damage the link plates, resulting in a high probability of chain breakage.
I had a thought, but it got run over as it crossed my mind.
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