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Re: Spring loaded top chain guide
Posted: Wed Feb 27, 2013 7:15 pm
by purple_pill67
That doesnt look good at all!
Pic on their site shows it fitted right by the sprocket too
Re: Spring loaded top chain guide
Posted: Wed Feb 27, 2013 7:33 pm
by camel
this is concerning me as im trialing a homemade sprung loaded tensioner myself on my own bike,ok the one in the pic looks out of position to work correctly but what has caused the chain to stretch this much?my way of thinking is the torque produced by the front sprocket would have more of a "stretching" effect than a sprung loaded nylon chain tensioner?...so have we a very poor quality chain involved here or is it the tensioner thats caused it?.....i,l be keeping an eye on mine just in case
Re: Spring loaded top chain guide
Posted: Wed Feb 27, 2013 7:35 pm
by Muttley McLadd
camel wrote:what has caused the chain to stretch this much?
Wrong chain fitted to start with?
Re: Spring loaded top chain guide
Posted: Wed Feb 27, 2013 7:40 pm
by camel
Muttley McLadd wrote:camel wrote:what has caused the chain to stretch this much?
Wrong chain fitted to start with?
maybe....or perhaps the position of where the tensioner sits allows chain bounce in the area that a std tensioner usually works causing premature wear..just an observation,i have no facts
Re: Spring loaded top chain guide
Posted: Wed Feb 27, 2013 10:35 pm
by Elite-225
I won't be buying one !. .. I'm not even that sure about the solid mounted pull down tensioner's available.. The chains got a hard enough time doing a straight circuit never mind having to go thru a chicane aswell ! .. ?
Re: Spring loaded top chain guide
Posted: Wed Feb 27, 2013 10:52 pm
by a.lo.v2
i thought the original fitments were "guides" not "tensioners" which might be a indication of were its going wrong!
Re: Spring loaded top chain guide
Posted: Wed Feb 27, 2013 10:53 pm
by Yanker
Elite-225 wrote:I won't be buying one !. .. I'm not even that sure about the solid mounted pull down tensioner's available.. The chains got a hard enough time doing a straight circuit never mind having to go thru a chicane aswell ! .. ?
Top comment, see what you are saying.....got to agree! IE. If your chain ain't the right length. then get a good one that is!
Re: Spring loaded top chain guide
Posted: Wed Feb 27, 2013 10:55 pm
by Yanker
a.lo.v2 wrote:i thought the original fitments were "guides" not "tensioners" which might be a indication of were its going wrong!
Essentially 'yes' to that, but chain 'slack' is also taken-up by the top 'guide'...the only mechanism for doing so ...and why the height is adjustabe....
If it ain't broke: don't 'fix' it!
Re: Spring loaded top chain guide
Posted: Wed Feb 27, 2013 11:14 pm
by Elite-225
Cheers Yanker .. That is exactly what i think !
Re: Spring loaded top chain guide
Posted: Thu Feb 28, 2013 12:47 am
by rosscla
I think there is a place for some sort of pull down type adjuster, I carefully didn't say tensioner.
Thiss gives a little flexibility to use a new chain rather than a worn out (stretched) one but I don't believe it should put any more 'tension' on it than the push up type i.e. to take up the slack rather than place pressure on the chain, there still should be the 4-6 mm of free 'slack'.
What is the pitch and sprockets in the case shown ?