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Chain Length for +4 Swinger


2003LimitedBanshee

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Okay, I know this has been covered, but each time, everyone just says buy a 120 link and cut to fit. I don't really want to go that route, I just want to buy the correct number of links to begin with. I am switching to a +4 with a roundhouse carrier. I am running 13/42 which uses the same number of links as 14/41 on a stock length swingarm. So basically I am looking for a link count on a +4 with stock equivalent gearing. THanks!

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Unfortunately, that's the way to do it. There isn't a reall good way to measure what your actuall center to center distance is between your coutershaft and axle. Not all swingarms and adjustment mechanisms measure out the same and most certainly not within the length of half of one link.

 

I have a 114 links in my +4 arm with a 14/42 gearing. With that said you should need 113 links. If you don't want to listen to the people who have told you to buy a 120 link chain and cut it down yourself that's fine. Atleast now you should have enough information to go and find out why everyone was telling you that. Hopefully you won't have to buy two chains (they don't let you return custom cut chains don't ya know).

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Man this sounds like an awesome application for an Excel spreadsheet.

 

Haha, just kidding.

 

get out the grinder, lazy.

 

Alright, Alright.... geez. It's not that I can't do it, or won't do it, I just figured if I can buy it the right length I might as well. Believe me, I've cut my fair share of chains, but that was when you had far fewer choices. 120 it is then...

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Man this sounds like an awesome application for an Excel spreadsheet.

 

Haha, just kidding.

 

get out the grinder, lazy.

No one told me when I was going to school to be an engineer that I would spend more time masturbating Excel sheets than anything else on a computer. Atleast I have a couple folks to do that for me now. :geek:

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i want to say i had 116 links but thats sounds too long... maybe it was 113...

Like I said, it's all very subjective. I have the 6 links in my tool box to prove there are 114 links and a 14/42 setup is on my redbike.

 

I have had friends with anywhere from 112 to 120 links on their +4 arms. :ermm:

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  • 1 month later...
Old thread I know but it's better then starting a new one.

 

Did the 120 links work for your +4? I'm fixin to order chain and need to know how much to get but I had heard 120 wouldn't be enough.

120 should get the job done unless you have an abnormally large rear chain wheel. :geek:

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