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-   -   Tensioner for horizontal dropouts (https://www.bikeforums.net/singlespeed-fixed-gear/1047623-tensioner-horizontal-dropouts.html)

Tradarcher 02-05-16 10:34 PM

Tensioner for horizontal dropouts
 
I am building a univega super strada single speed. I took it for a quick ride tonight to get a feel for any adjustments to the cockpit that would be needed and when I arrived back at home I noticed my wheel had moved forward. I am using a quick release on the rear wheel. What would be the best way to remedy this?

TejanoTrackie 02-05-16 10:39 PM

Get an internal cam quick release that allows it to clamp the rear wheel tighter or replace the rear wheel axle with a longer solid axle and use track nuts. You cannot use a tensioner with forward facing horizontal dropouts.

AndjaVXC 02-05-16 10:48 PM

I'd be getting rid of the quick release altogether. DEFINITELY with a fixed, but I wouldn't run a QR in the rear with a freewheel, either.

Surly2698 02-05-16 10:56 PM

surly makes a chain tensioner especifically designed for forward facing horizontal drop outs
Works great
I have it on my crosscheck

Scrodzilla 02-06-16 12:12 AM


Originally Posted by AndjaVXC (Post 18515557)
I'd be getting rid of the quick release altogether. DEFINITELY with a fixed, but I wouldn't run a QR in the rear with a freewheel, either.

Ahem.


Originally Posted by Sheldon Brown
Track hubs generally come with solid axles and track nuts. This is because most velodromes have rules requiring this type of wheel attachment. As a result, it is widely believed that quick-release axles are not suitable for fixed-gear use. THIS IS FALSE!

It is my belief that the velodrome rule dates back to long before the invention of the quick-release, when the choices were standard nuts or wing nuts. The protruding "wings" of wing nuts might constitute a hazard in a crash, and I believe that's why the rule was instituted. Since quick-release skewers don't have any sharp projections, that becomes a non-issue in practice. If you are going to use a quick release with a fixed gear, you should make sure to use a good quality enclosed-cam skewer.


nightfly 02-06-16 08:17 AM

You can swap out the quick release skewers with bolt on ones pretty easily:

http://www.amazon.com/gp/product/B00...=sr_1_1&sr=8-1

AndjaVXC 02-06-16 08:22 AM

Yep, I know the reasoning behind it for velodrome use. Just my preference. I just don't trust them, and it makes theft easier.

TejanoTrackie 02-06-16 09:14 AM


Originally Posted by nightfly (Post 18516182)
You can swap out the quick release skewers with bolt on ones pretty easily:

Robot Check

Those bolted skewers cannot apply anywhere near enough clamping force to secure a rear wheel in a horizontal dropout.

hairnet 02-06-16 10:12 AM


Originally Posted by AndjaVXC (Post 18516194)
Yep, I know the reasoning behind it for velodrome use. Just my preference. I just don't trust them, and it makes theft easier.

lock you wheels. Nuts won't stop a dude with a wrench looking to snag wheels, especially dem fixie wheels.

AndjaVXC 02-06-16 10:14 AM

Oh, I know, and I do. But anything that helps to dissuade even a few of them is good. Quick-release wheels are like blood in the water.

JohnDThompson 02-06-16 04:16 PM


Originally Posted by AndjaVXC (Post 18515557)
I'd be getting rid of the quick release altogether. DEFINITELY with a fixed, but I wouldn't run a QR in the rear with a freewheel, either.

There's nothing wrong with using a quick release with horizontal dropouts with or without a fixed gear, as long as it's the traditional, internal cam design. Modern external cam quick releases have considerably less clamping force and should only be used with vertical dropouts,

JohnDThompson 02-06-16 04:17 PM


Originally Posted by AndjaVXC (Post 18516194)
Yep, I know the reasoning behind it for velodrome use. Just my preference. I just don't trust them, and it makes theft easier.

But that has nothing to do with the OP's stated problem.

AndjaVXC 02-06-16 06:30 PM

It does, because he said his wheel slipped forward. He asked how to remedy this. I suggested what I would do, which might be an option for him.

But ok.

Tradarcher 02-07-16 07:35 PM

Yea I currently have the external cam quick release I will swing by my lbs tomorrow and pick up an internal cam skewer.

Tradarcher 02-07-16 07:36 PM


Originally Posted by Surly2698 (Post 18515566)
surly makes a chain tensioner especifically designed for forward facing horizontal drop outs
Works great
I have it on my crosscheck

Are you referring to the tugnut?

Surly2698 02-07-16 11:48 PM

No
Surly makes a chain tensioner called hurdy gurdy


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