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PostPosted: Thu Jul 26, 2007 10:39 am 
Posh Mark
Posh Mark
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Joined: Wed Apr 18, 2007 2:49 pm
Posts: 5981
Location: As far from the city as you can be ....
Morning folks,

I need to purchase a chain tensioner to complete my single speed commute bike and am looking for ideas.

The front ring will be a biopace, which I’m told, won’t affect chain tension so I shouldn’t need a sprung tensioner – but then if these are better than a non sprung fixed position one?????? :shock:

HELP!
:D :D :D :D :D


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PostPosted: Thu Jul 26, 2007 2:29 pm 
Retro Guru
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Joined: Fri Jan 26, 2007 9:58 pm
Posts: 629
Location: USA, sigh...
for a commuter, i wouldn't think sprung/unsprung would make much difference...in fact a sprung tensioner might make rear wheel service easier.

myself, i singlespeed offroad almost exclusively and have had very bad luck with chain drops due to insufficient tension with a sprung device (a pauls melvin). i switched to a (fixed) rennen rollenganger and have not dropped a chain since (nearly a year).


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PostPosted: Thu Jul 26, 2007 8:23 pm 
Old School Grand Master
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Joined: Tue Jul 17, 2007 5:13 pm
Posts: 8182
Location: Tredavoe, Cornwall
Hi Mark, ive been at this one gear thang for years and the only tensoiner that worked all the time was a Rohllof device. Dont know what its called though.Or price. But they are very well built and mine has lasted ages.Cheers,Al.


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PostPosted: Fri Jul 27, 2007 9:29 am 
Retro Guru
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Joined: Wed Nov 22, 2006 12:04 pm
Posts: 1401
Location: North East Scotland (Aberdeen)
I built my own like this and ran if it for three years with no problems.

Image

Instructions here...

http://www.geocities.com/mtnwuff/SStens.html

Enjoy!


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PostPosted: Mon Jul 30, 2007 10:05 am 
Posh Mark
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Location: As far from the city as you can be ....
Cheers Messiah - looks cool and cheap - I like! :D


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PostPosted: Tue Jul 31, 2007 1:51 pm 
Gold Trader
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Joined: Thu Mar 29, 2007 1:08 am
Posts: 2657
Location: Kray Territory
If you're still wanting a proper tensioner I would go with a surly - I've has a couple on my rides and they still offer best performance for price..

Saying that I used a knackered deore mech for a while too! :wink: Been looking at the setup from messiah also - seems a cool idea.

Otherwise get a paul melvin - just cause they look poncey. They are silly money though.


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PostPosted: Tue Jul 31, 2007 3:33 pm 
Posh Mark
Posh Mark
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Joined: Wed Apr 18, 2007 2:49 pm
Posts: 5981
Location: As far from the city as you can be ....
Cheers Mynchiboy,

I had a look at the Surly but was put off by the fact it was sprung (and £30!)

My LBS recommended the On-One other doofer – the one with the orange roller. However it’s a roller rather than a cog???? :shock:

By trying to make my commuter simpler it seems to be making the whole thing more complicated!
:oops: :oops: :oops:


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