Chain Tensioners- Mtbr.com
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  1. #1
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    Chain Tensioners

    To start just how tight do I need my chain? Using a frame not built for a ss so no nut tuggers for me, and ill be in the market for a tensioner, looking for something that looks good. All that said if I need it

  2. #2
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    I like Yess tensioners. I have the ETR/D on my Giant Anthem SS and it works brilliantly.

  3. #3
    Bike Geek
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    Taut? I like these...



    nut tuggers...sounds nasty...

  4. #4
    local trails rider
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    Tension: you should have a little slack to keep your bearings healthy. How much... hold the chain with your fingers, in the middle, and push it up and down. Maybe half an inch of easy movement, even a bit more.

    Sometimes chainrings are not quite concentric. You should not feel any tight spots when you turn the cranks by hand.

    BB mounted tensioners look like a great idea to me, but I have not tried them. Yess has a model and some use Blackspire Stinger and similar guides for tensioning.

    I have a Rennen tensioner on one bike: it works and does not look bad.

  5. #5
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    Crank1979 how do you like your Anthem as a ss? Not many ride reports of full suspension SS, I have a Anthem as well ,and can't help but think that would be a great bike to convert, i have 2 hard tail ss that i ride but i do like the full suspension not the gears so much.

    I know a full SS seems counter intuitive to most people, but i think it might be a great idea as i think 99% of riders have never tried a full suspension ss, any insights would be great.. i hear the Yess tensioner for a fully was the only way to go..
    Last edited by pindowngirl25; 04-26-2010 at 05:24 PM.

  6. #6
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    Thanks team,

    So the chain does not need to be "piano wire tight" But is doubt i will be alble to get that without a tensioner....

    "Nut tuggers" good on a bike, bad in other places...

  7. #7
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    look at this topic, about several comercial tensioners.

    http://www.singlespeed-portugal.net/...ciais-t240.htm

  8. #8
    Kiss my Grits!
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    old derailer on a FS convert

    I just used my old derailer when I converted my single pivot FS Cake to SS. I don't ride it very often, but when I do it's pretty plush; I call it the "sofa" and I have never had a problem with it.
    Attached Thumbnails Attached Thumbnails Chain Tensioners-cake-vga.jpg  

    Chain Tensioners-cake-drivetrain-vga.jpg  

    Sometimes, with a very strenuous effort, I will fatigue.

  9. #9
    local trails rider
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    Quote Originally Posted by PoorBob
    So the chain does not need to be "piano wire tight"
    Exactly: if the chain is too tight, it puts lots of strain on your BB and hub bearings. And the system does not move freely. Not good.

  10. #10
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    Quote Originally Posted by pindowngirl25
    Crank1979 how do you like your Anthem as a ss? Not many ride reports of full suspension SS, I have a Anthem as well ,and can't help but think that would be a great bike to convert, i have 2 hard tail ss that i ride but i do like the full suspension not the gears so much.

    I know a full SS seems counter intuitive to most people, but i think it might be a great idea as i think 99% of riders have never tried a full suspension ss, any insights would be great.. i hear the Yess tensioner for a fully was the only way to go..
    It is brilliant. Not too much travel, but enough to make it more comfortable without feeling inefficient. My Anthem is the old 3.5" travel one. I'm running 130mm forks on it too. I haven't lost the chain yet. No guide on the front, just a Renthal chainring with a 9 speed chain.

  11. #11
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    and too loose it will skip, pop off under a heavy load...

    Well I still hope to get a the correct tension using a half link and a standard ss chain. we shall see!

  12. #12
    local trails rider
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    Quote Originally Posted by PoorBob
    and too loose it will skip, pop off under a heavy load...
    I get away with a pretty loose chain. Maybe it has something to do with two things:
    - I get a perfect chain line with lots of skinny spacers.
    - my frames are very stiff: the "rear triangles" have no sideways flex, however hard I push the pedals. I am a heavier guy too, and it isn't all fat.

  13. #13
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    A chain which is too tight will also rob energy. Generally my chains run with a total of 1" vertical play at the loosest point. I also run SS specific chain rings, which gives me a much larger margin of error.

    So far as tensioners, I think the best value ones are the rigid bolt on type like the DMR or Rennen. More upscale is the White Eno eccentric hub, which I'm a huge fan of works extremely well:
    http://www.whiteind.com/rearhubs/singlespeedhubs.html

    If your frame and crankset are compatible, then I think the Forward Components EBB is the best tensioner currently available:
    http://forwardcomponents.blogspot.com/

  14. #14
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    Pardon my ignorance, but the EBB would simply work by turning the BB till it puts the correct tention on the chain?

    Thanks for all the info, its great stuff!

  15. #15
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    Quote Originally Posted by PoorBob
    Pardon my ignorance, but the EBB would simply work by turning the BB till it puts the correct tention on the chain?
    Correct, then it's locked into place.

  16. #16
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    Well,

    After all this I got some bad news! Just got the Trek 6000 i won on ebay and it is junk. BB threads are stripped out, looks like to ship it the seller pounded out the BB and crankset. Pay pal claim is coming, long of the short I might end up using this Nashbar frame for my 9spd mtn bike now. Maybe Ill buy the Nashbar 29r SS..........


    Thats $300 down the drain!

  17. #17
    Ovaries on the Outside
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    Now you really are poor! Sorry, that blows.

  18. #18
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    Quote Originally Posted by bad mechanic
    A chain which is too tight will also rob energy. Generally my chains run with a total of 1" vertical play at the loosest point. I also run SS specific chain rings, which gives me a much larger margin of error.

    So far as tensioners, I think the best value ones are the rigid bolt on type like the DMR or Rennen. More upscale is the White Eno eccentric hub, which I'm a huge fan of works extremely well:
    http://www.whiteind.com/rearhubs/singlespeedhubs.html

    If your frame and crankset are compatible, then I think the Forward Components EBB is the best tensioner currently available:
    http://forwardcomponents.blogspot.com/

    Still waiting on the FC square taper EBB.....
    "If women don't find handsome , they should at least find you handy."-Red Green

  19. #19
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    I'm digging the surly chain tug : http://jensonusa.com/store/product/R...Tensioner.aspx
    Attached Thumbnails Attached Thumbnails Chain Tensioners-img00009-20100430-1445.jpg  


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