Can anyone I.D. these chain tensioners?

[eBAUMANN]

https://farm4.staticflickr.com/3937/15590279712_6337c8d3f6_b.jpg

https://farm4.staticflickr.com/3945/15590279162_4e03c8e8f7_b.jpg

:help:

[buldogge]

You're slipping Eric…

http://www.promaxcomponents.com/products/c-1-chain-tensioners/

-Mark in St. Louis

[eBAUMANN]

:banana:

my hero

although, upon closer inspection, these don't seem like they were designed for QR's...

these (http://www.geneticbikes.com/products-details.php?prod=CHGETT1R) look similar and have an insert for QR use, but i can't seem to find a place to actually BUY them.

hmmm, looks like I can buy the QR washers from a surly tuggnut, so maybe a combo of some sort would work.

either way, thanks for the tip!

[Davist]

Many flavors over at Dan's Competition (BMX guys really need these, at least I did)

http://www.danscomp.com/shop-PARTS/group/BMX+Chain+Adjusters.html

[eBAUMANN]

Many flavors over at Dan's Competition (BMX guys really need these, at least I did)

http://www.danscomp.com/shop-PARTS/group/BMX+Chain+Adjusters.html

yea the hard part seems to be finding them for quick release wheels, which is what i need em for...

[old fat man]

I'll ask Matt Roy where he got them

http://dirtwire.tv/2014/10/wicked-pro-bike-wicked-mo-bike-mo-bruno-roys-seven-cycles-singlespeed-cx/

[eBAUMANN]

I'll ask Matt Roy where he got them

http://dirtwire.tv/2014/10/wicked-pro-bike-wicked-mo-bike-mo-bruno-roys-seven-cycles-singlespeed-cx/

i dunno why that thought never occurred to me haha...ill message him on fb.

[old fat man]

He said those are the ones, with zero modifications. Use a good skewer too.

[likebikes]

Surly tuggnut chain tensioners come with an adaptor for qr use.

http://www.63xc.com/rickc/tugghand.jpg

[eBAUMANN]

Surly tuggnut chain tensioners come with an adaptor for qr use.

http://www.63xc.com/rickc/tugghand.jpg

yes, they are also butt ugly :butt:

the washer is sold separately so I'm thinking of maybe trying to find a way to use it with one of these other tensioners.

matt mentioned that mo was using the promax tensioners without any sort of QR specific adaptor, so i might just try that first and see if i break anything.

[thirdgenbird]

Very ugly.

Report back on the promax please.

[likebikes]

yes, they are also butt ugly
agreed!

here's a bunch of protips:

no surly-esque washer is needed, the qr works just fine with any tensioner
the style of chain tensioner pictured in the op is a generic design rebranded by many others (https://www.google.com/search?q=bmx+chain+tensioner&rlz=1CASMAE_enUS526US527&es_sm=93&source=lnms&tbm=isch&sa=X&ei=bgVHVMvOJ4WtyAS_44GQCg&ved=0CAkQ_AUoAg)
steel dropouts? no chain tensioner is needed, provided you have steel axle locknuts and a good (internal cam) qr with serrated faces, eg shimano or campy.
remember, on a geared bike the qr is under much more load than on a ss setup. (do the math with gear ratios and tq)
if you're you can't regularly make the rear wheel shift on a geared bike with horizontal dropouts (http://www.slowtwitch.com/articles/images/0/62550-largest_Sheldon_dropouts.jpg) you'll never be able to with a ss (above caveats apply- internal cam, serrated faces, etc)