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#1 |
Join Date: Nov 2020
Location: Ogden,Utah
Posts: 8
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Are 428 Chains the same?
A follow up on my previous thread.
I got a new 428 chain, ( my previous chain broke). When I compare the new Chain to the old Chain, it appears to match pin for pin in size..but then about halfway down the chain I notice the pins don't match.. The old chain appears to be slightly longer. Question.. are all 428's the same? |
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#3 |
Join Date: Apr 2017
Location: Omaha, NE
Posts: 8,064
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Old chain just has normal chain wear commonly known as "stretch". As the pins and bushings/rollers wear they get more play, which under tension makes the chain longer.
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#4 |
Join Date: Nov 2020
Location: Ogden,Utah
Posts: 8
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Thanks guys
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#5 |
Join Date: Jun 2020
Location: A small country with a funny name
Posts: 164
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When I changed the old chain on my used Zongshen Sierra (428HD/122), the length difference between the new and old chain was about 8 cm or 3". Needless to say, at that point I was all but running out of chain tension adjustment markers
![]() And yeah, all of the wear appeared to be concentrated in the pins and bushings. The links themselves appeared unworn, and the old chain also had quite a bit of slop and lateral bendiness between links. |
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