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chain problems   Message List  
Reply | Forward Message #992 of 1017 |
Re: chain problems

--- In bentechriders@yahoogroups.com, "smjtwig4" <smjtwig4@...> wrote:
>
> I built a LWB copy of an easy tour and my chain jumps the high gears any
sujestions would be helpful i've shortened and lenghtened the chain same problem
>yes when pedaling and the chain is on tenth gear the pedals jump forward a
little ,the more presure the more it jumps
Thu Apr 9, 2009 11:39 am

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smjtwig4
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Forward 		Message #992 of 1017 |
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I built a LWB copy of an easy tour and my chain jumps the high gears any sujestions would be helpful i've shortened and lenghtened the chain same problem... 		smjtwig4
Offline Send Email 		Apr 9, 2009
7:59 am

Hello, There are some questions to answer in order to pinpoint the problem. When you say " it jumps the high gears" do you mean the gears slip when you pedal...
John Lewis
lew2au
Offline Send Email 		Apr 9, 2009
10:46 am
smjtwig4
Offline Send Email 		Apr 9, 2009
11:39 am

I also built the same, I used a chain tube, and had to fiddle with derailler adjustments, but have it working well now. Feel free to email me off list if you...
Doug Kalmer
doug_kalmer
Offline Send Email 		Apr 9, 2009
2:19 pm

One word: "chainline" A chain cannot move off of a gear unless a sideways force is acting upon it. The deraileur usually does that job and also keeps the chain...
Jim
obsidian_nj
Offline Send Email 		Apr 9, 2009
5:58 pm
smjtwig4
Offline Send Email 		Apr 9, 2009
6:28 pm

... forward a little ,the more presure the more it jumps< So it is not changing gears but just skipping teeth. Main causes for this are likely a worn sprocket...
John Lewis
lew2au
Offline Send Email 		Apr 10, 2009
11:20 am

thanks I will tale a look at that and see if there is more room for adjustment ... From: John Lewis <john.lewis@...> Subject: [bentechriders] Re:...
steven ludwig
smjtwig4
Offline Send Email 		Apr 10, 2009
12:32 pm
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