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Discussion Starter · #1 ·
Does anyone have a link to where they explain the chain numbers and the letters that follow?
I have a 532 chain that says ZVX after. Does anyone know what the letters mean?
I am sure it is some industry code but I don't have a clue.
Thanks for the help.
John
 

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F650 General Chain FAQ

The first two numbers in a chain size are the length and width of the link in increments of 1/8. So a 520 chain is 5/8 long and 2/8 (1/4) wide. It only gets a little complicated with say a 525 chain. This chain is 5/8 long and 2.5/8 (two and a half 1/8's) wide----which figures out to 5/16.
 

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The number is an indication of width, pitch, roller diameter, etc. The letters are simply the series chain from EK:

EK Motorcycle & ATV Chain

Click on the catalog.
 
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