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Mounting Techniques Every frame is different. Share and ask questions about mounting your motorized bicycle engine kit to your bicycle frame or bicycle rack

chain is eating my tire.


Discussion at Motorized Bicycle Engine Kit Forum in the Mounting Techniques forum. Anyone else have this problem? The tensioner always works its way towards the rear tire. I was thinking about shimming ...
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Old 07-19-2008, 09:50 PM
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Default chain is eating my tire.

Anyone else have this problem? The tensioner always works its way towards the rear tire. I was thinking about shimming the sprocket to move it out a hair but I have a coaster rim and there isn't really enough room..... anyone?
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Old 07-19-2008, 10:07 PM
Master Motorized Bicycle Builder
 
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Default Re: chain is eating my tire.

hi 5; what does the icon mean? if you have a reactor supply co. near you, get parts--#165-063 tensioner w/roller---#165-280 spring. they are in the off road/go cart sect. if not you can drill small hole through tens. and bik frame and put in a small screw. if you dont fix it it will derail and wipe out spokes and maybe a highside. good luck mitch
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Old 07-19-2008, 10:10 PM
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Default Re: chain is eating my tire.

I had the same problem...could not move the sprocket or motor. I wanted to use 26X2.25 balloon tires. What I had to do is go to 26X2.00 tires. It still rubs a little...but after 5 years and 4,000 miles the tire is still holding strong.

For the tensioner, some use a sheet metal screw or bolt or both to keep the tensioner from getting into the wheel...chain tensioner modification
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Old 07-19-2008, 10:13 PM
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Default Re: chain is eating my tire.

Quote:
Originally Posted by charge5 View Post
Anyone else have this problem? The tensioner always works its way towards the rear tire. I was thinking about shimming the sprocket to move it out a hair but I have a coaster rim and there isn't really enough room..... anyone?
Spring Return Chain Tensioner
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Old 07-20-2008, 08:55 AM
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Default Re: chain is eating my tire.

A 1.90 or 2.00 tire will solve your problems and allow the chain to track straight.
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Old 07-20-2008, 11:42 AM
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Default Re: chain is eating my tire.

Quote:
Originally Posted by stude13 View Post
hi 5; what does the icon mean? if you have a reactor supply co. near you, get parts--#165-063 tensioner w/roller---#165-280 spring. they are in the off road/go cart sect. if not you can drill small hole through tens. and bik frame and put in a small screw. if you dont fix it it will derail and wipe out spokes and maybe a highside. good luck mitch
It means, "come and get them". thanks for the info.
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