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Rear Axel Wing Nuts

Old 07-22-13, 01:41 PM
  #1  
Clawed
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Rear Axel Wing Nuts

I have a Hybrid with a solid rear axel in an IGH. It uses chromed acorn type nuts to hold the wheel on. In order to be prepared for a flat repair I have to carry a wrench for the acorn nuts. It has occurred to me to use a pair of the big wing nuts like some of the older bikes had, and which are still available on Amazon, and lose the wrench.

Some questions come to me. Are all the threads the same or at least pretty standard? some have pretty sharp profiles; are they safe in a crash? Are there any reasons not to use them? Am I missing something obvious here?
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Old 07-22-13, 01:47 PM
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You may be missing something...
Do you have enough hand strength to tighten down those wing nuts to its proper torque to ensure that your wheels don't come off?

You can probably convert them to use QR skewers. More research is in order.
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Old 07-22-13, 01:55 PM
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Those beg to be stolen.
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Old 07-22-13, 02:14 PM
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Yes, I have the hand strength to turn them down tight.
No, the IGH has a solid axel so I can't use QR skewers (that's kind of the point).
How would this be more prone to theft than QR on other bikes?
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Old 07-22-13, 03:06 PM
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Originally Posted by Clawed View Post
Yes, I have the hand strength to turn them down tight.
No, the IGH has a solid axel so I can't use QR skewers (that's kind of the point).
How would this be more prone to theft than QR on other bikes?
You must have some strong hands to be able to hand tighten those wingnuts from 30-44 Nm??? That's some serious strength!

But, to address theft prone...yes, it will be prone to theft much like anything else out there. Being more prone than regular QR...who knows, wing nuts to hold rear wheels on a bike is not common. The thief maybe taken aback by the wing nuts and how tight they are, though.
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Old 07-22-13, 03:17 PM
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Originally Posted by Clawed View Post
Are all the threads the same or at least pretty standard?
There are 2 different thread pitches that are commonly used with bolt-on rear hubs.
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Old 07-22-13, 03:21 PM
  #7  
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just keep carrying the wrench
unless you have vertical droputs
wingnuts are too difficult to acheive proper tightness
no matter how strong you think your hands are
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Old 07-22-13, 04:14 PM
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Originally Posted by Wilfred Laurier View Post
just keep carrying the wrench
unless you have vertical droputs
wingnuts are too difficult to acheive proper tightness
no matter how strong you think your hands are
OK, this is a legitimate concern. These wing nuts are not the little one inch wide ones from Home Depot. They are two to two and a half inch wide ones made for the application by Shimano among others. They have been used for years, decades even. See them on E-Bay. My axels are 9mm and there are wing nuts made for that size. They have been used on Raleigh and Schwinn and other brands. I assume they were intended for little weak female hands as the worst case (no insult intended for the little weak female hands out there.)
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Old 07-22-13, 05:49 PM
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Not trying to be a wise guy, but unless you can break bones by squeezing, you DON'T have the hand strength to torque wingnuts down enough. Stick with what you have -- FFS, a 6" crescent wrench is NOT a lot of weight or bulk to tote around...! Really, unless you're pulling the rear wheel off like, DAILY, you're not doing yourself any favors.
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Old 07-22-13, 06:10 PM
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Originally Posted by Clawed View Post
OK, this is a legitimate concern. These wing nuts are not the little one inch wide ones from Home Depot. They are two to two and a half inch wide ones made for the application by Shimano among others. They have been used for years, decades even. See them on E-Bay. My axels are 9mm and there are wing nuts made for that size. They have been used on Raleigh and Schwinn and other brands. I assume they were intended for little weak female hands as the worst case (no insult intended for the little weak female hands out there.)
i am familiar with bicycle wingnuts
my grandfather gave me an old racing bike
that i think is still in my mothers shed
that had them

they are not used very commonly anymore because
cam actuated quick releases
as are common on modern bikes
provide superior and more consistent clamping

iirc
tullio campagnolo invented the cam actuated quick release
because wingnuts were a pain in the ass
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Old 07-22-13, 06:14 PM
  #11  
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Originally Posted by Clawed View Post
Yes, I have the hand strength to turn them down tight.
No, the IGH has a solid axel so I can't use QR skewers (that's kind of the point).
At lease one company makes quick release levers for solid axles

http://axlerelease.com/what-is-the-axle-release

This sort of thing should work well for you as long as your IGH has a shifter connection like the Shimano Nexus and not an indicator chain hanging out the end of the axle.
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Old 07-22-13, 08:12 PM
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Then there are these. I believe those markings are velo-orange. The downside is that someone may want to steal just the wing nuts. Pr you can just buy new wheels with QR skewers.


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Old 07-22-13, 08:47 PM
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Wingnuts were common on FRONT wheels. Maybe I've lived a sheltered life but I've never seen them used on rear wheels. On frames with a vertical dropout I could see where they could work, but a horizontal dropout (even with centering screws) can't imagine you getting enough force to stop the axle from moving from the torque applied by pedaling. The horizonal dropout would have to be open in the back like a BMX style.

Why not just swap out the axle and go directly to a QR?
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Old 07-22-13, 08:55 PM
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In order to be prepared for a flat repair I have to carry a wrench for the acorn nuts.

and given all the hip axle nut wrench combination tools made for the fixie set, the problem is what. ?

stow the wrench with the spare innertube and tire levers.

still need the wrench for the drive side as the IGH shifting mech is a different nut than the usual acorn nut.

on many IGH... [since you were not specific, as to what hub you have] I say most have a shift mech on the right side.

Last edited by fietsbob; 07-22-13 at 10:14 PM.
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Old 07-22-13, 09:51 PM
  #15  
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Originally Posted by Clawed View Post
I have a Hybrid with a solid rear axel in an IGH. It uses chromed acorn type nuts to hold the wheel on. In order to be prepared for a flat repair I have to carry a wrench for the acorn nuts. It has occurred to me to use a pair of the big wing nuts like some of the older bikes had, and which are still available on Amazon, and lose the wrench.

Some questions come to me. Are all the threads the same or at least pretty standard? some have pretty sharp profiles; are they safe in a crash? Are there any reasons not to use them? Am I missing something obvious here?
One of the common issues with internal-gear hubs is that they use a sun gear mounted on the axle (in addition to planet and ring gears) to provide different gear ratios. Unless the axle nuts are kept very tight, they tend to work loose and then the wheel slides and stops against the chainstay. At least, that's how my old Sturmey-Archer hub behaved.

Another issue: internal-gear hubs sometimes have very odd threads. I believe the Sturmey-Archer "standard" is 10.5mm x 26tpi. The Axle Release people seem to have that covered: http://axlerelease.com/axle-help , but I'd be skeptical that you could find a wing nut to fit. Since you don't identify the hub or the bike, it's really tough to give you quality advice.

A decent alternative is a wrench that attaches to the water-bottle mounts:
http://www.nashbar.com/webapp/wcs/st...0052&langId=-1
Of course, you have to carry a hex wrench to get at it, but that should be part of your "normal" tool kit.
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Old 07-23-13, 04:00 AM
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Wingnuts...they are everywhere...
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Old 07-23-13, 05:29 AM
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Originally Posted by Jeff Wills View Post
One of the common issues with internal-gear hubs is that they use a sun gear mounted on the axle (in addition to planet and ring gears) to provide different gear ratios. Unless the axle nuts are kept very tight, they tend to work loose and then the wheel slides and stops against the chainstay. At least, that's how my old Sturmey-Archer hub behaved.

Another issue: internal-gear hubs sometimes have very odd threads. I believe the Sturmey-Archer "standard" is 10.5mm x 26tpi. The Axle Release people seem to have that covered: http://axlerelease.com/axle-help , but I'd be skeptical that you could find a wing nut to fit. Since you don't identify the hub or the bike, it's really tough to give you quality advice.
Sturmey Archer and GB both made wing nuts for for the classic Sturmey Archer IGH hubs, BITD. Apparently, they thought it was possible to sufficiently hand tighten wing nuts to secure them on bicycles with horizontal drop outs.
As for the threading on Sturmey Archer hubs, it is 13/32" x 26tpi. I have seen it described in metric as 10.32, 10.35, 10.38, and 10.4 by various sources. The Axlerelease products will not work for IGH's that rely on an indicator spindle mechanism that works through the axle (like the ubiquitous AW models). This means that wing nuts are the only option for these types of hubs. I wonder if there are any forum members who have direct experience with such wing nuts for Sturmey Archer; were they secure enough?
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Old 07-23-13, 10:30 AM
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The IGH in question is a Shimano Nexus 8 speed. It has a solid axle and is not available with any other because the axle is an integral part of the functioning of the hub. It does not have the little chain, called the indicator chain, coming out of the axle like some do.

The Axle Release device looks very interesting, and would do what I want. Their web site states specifically that they are used with my IGH.

I would still be interested to hear from anyone who has had actual experience using the wing nuts with an IGH.

Last edited by Clawed; 07-23-13 at 10:33 AM.
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Old 07-23-13, 12:09 PM
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Wingnuts were common on single speed bikes all thought the 40's,50's,60's....front and back.They were even used on some bikes up into the 80's....If you decide to use them,look for ones made out of bronze,either chromed over or not.....They were the strongest of the bunch....Use mild steel ones if need be.

Stay away from hardened steel or aluminum alloy.

My old Ross track bike in the 70's had wingnuts on solid axles,front and back,I never has any slipping issues with them.

Last edited by Booger1; 07-23-13 at 12:14 PM.
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