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Old 08-17-2011, 10:47 PM
tec1993 tec1993 is offline
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Join Date: Aug 2011
Location: Ohio
Posts: 1
Default Chain Help

I have broken 3 Chains. It has to do with the tensinor. How do i Fix it. Every so often the tensior will move and the chain will come off and break.
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Old 08-18-2011, 03:41 AM
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decoherence decoherence is offline
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Join Date: Aug 2010
Location: sebring,fl
Posts: 476
Default Re: Chain Help

i had that problem once. that & breaking & twisting chains.

i threw out the tensioner & stopped trying to use bicycle chain for the motor
now i ride tensioner free & chain from tractor supply.
it just takes some time to set up the chains on both sides being taught.
buying a half link for the peddle side &/or a way of shimming the motor helps.

some may say they love their tensioners or rube together something.
it is hard to get a pulley in your spokes if there is none there.
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Old 08-18-2011, 04:00 AM
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The_Aleman The_Aleman is offline
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Join Date: Jul 2008
Location: el People's Republik de Kalifornistan
Posts: 2,658
Default Re: Chain Help

I used the stock idler for 3 years and this is what I have found to work best:

1: Don't treat it like a tensioner. It really isn't one. If you put your chain really tight, you will increase the chance of the idler bracket moving. Run 1/2" - 3/4" of slack.

2: the chainstays the idler bracket is mounted on are not parallel with chain angle. Most aren't. That means you need to bend the idler bracket to match your chain angle.

As long as your chain is straight and not too tight, you should not have a problem, IMO. I never had one. Bending the idler bracket just right is key.

Last edited by The_Aleman; 08-18-2011 at 04:02 AM.
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Old 08-18-2011, 06:42 AM
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SlowBalt SlowBalt is offline
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Join Date: Mar 2010
Location: Rhode Island
Posts: 759
Default Re: Chain Help

Cut and size your drive side to run without it, and run the tensioner on the crank side.
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Old 08-18-2011, 11:03 AM
PerryP180 PerryP180 is offline
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Join Date: Jun 2011
Location: Atlanta, GA
Posts: 79
Default Re: Chain Help

Get some #41 chain and it won't jump off of the sprocket unless it is way out of line. The stock chains only work well if you get near perfect alignment of the sprocket and keep good tension in the chain. #41 chain is very forgiving on misalignment and looseness in the chain. I've had zero chain problems with my bikes since I made the switch.
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Old 08-18-2011, 11:44 AM
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2door 2door is offline
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Join Date: Sep 2008
Location: Littleton, Colorado
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Default Re: Chain Help

Google Custom Search
Here's some reading on the subject.
Age and Treachery Will Always Triumph
Over Youth and Skill & "Charlie Don't Ride"
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