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Singlespeed & Fixed Gear "I still feel that variable gears are only for people over forty-five. Isn't it better to triumph by the strength of your muscles than by the artifice of a derailer? We are getting soft...As for me, give me a fixed gear!"-- Henri Desgrange (31 January 1865 - 16 August 1940)

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Old 01-26-06, 12:19 AM   #1
worker4youth
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How often do you adjust the back wheel/chain?

I find myself adjusting the back wheel about every 3-4 days (i.e. 50-70 miles, rolling hills). Within those 3-4 days, my chain goes from 1/2 inch play to 1 inch of play.

Is this normal? I have tried tightening as much as the wrench and my arms allow. What's going on here?
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Old 01-26-06, 12:22 AM   #2
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you wouldn't happen to have chrome dropouts, would you? those buggers are slick as all get out, which makes them hard to lock onto.

another thing that can cause that is ****ty axle nuts with no serration. if yer nuts are smooth, pick up some rough ones. (save me the jokes)

on one of my bikes i adjust the rear wheel about that often, but that's because of the damned 48/16 gear ratio. don't wanna burn through the tire.

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Old 01-26-06, 12:26 AM   #3
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The locknut has good amount of serration, and I don't have chrome dropouts.

However, I also have 48x16, and often right it hard, especially accelerating from a standstill, or uphill. Could this be the problem?
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Old 01-26-06, 12:27 AM   #4
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if you have track ends try chain tensioners.
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Old 01-26-06, 12:27 AM   #5
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nah - ratio wouldn't cause it. that was just a drunken sidenote that really had nothing to do with the topic at hand.
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Old 01-26-06, 12:29 AM   #6
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I adjust when it starts making noise.

Happens slightly less now that I threw this on, modified:




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Old 01-26-06, 12:37 AM   #7
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Do chain tensioners help keep the tension? My understanding was that they were used to make the initial adjustment...
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Old 01-26-06, 12:38 AM   #8
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yes they keep the tension.
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Old 01-26-06, 12:40 AM   #9
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yea, they prevent them from sliding forward in the drops.
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Old 01-26-06, 12:49 AM   #10
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chain tensioners work on road drop outs?
i thought they were for track ends only.
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Old 01-26-06, 12:58 AM   #11
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Quote:
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chain tensioners work on road drop outs?
i thought they were for track ends only.
that's what they're designed for, but if you do as illustrated above and file off the slot you can make them work with road dropouts (you'll need the two bolt style as well so it doesn't slip around after being filed)
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Old 01-26-06, 12:59 AM   #12
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check out the design of them, basically its just set screws that hold a plate at a certain (adjustable) distance. if it causes compression in the screws and tension on the chain, then its doing what it should. if you had to spend twenty minutes filing for them to fit your frame, so be it.
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Old 01-26-06, 01:28 AM   #13
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i like it- alot- it looks like it works flawlessly- very sinilar to a design i was thinking abt for a long while- its funny i came across this thread just as i got a nice fixed hub and had my frame respaced to accomodate it- its a nice wheel. its got me thinkin a bit.
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