Attach some paper flags to the spokes. So when you tighten them you can see the twist as the flags moves. To unwind the twist, overtighten then back off (so for example, tighten 1/4 of a turn and back of 1/8 of a turn).jules21 wrote:when i went for a test ride afterwards, i could hear them unwinding - that crackling sound as the spoke tension pulls on the thread interface with the nipple.biker jk wrote:24 rear spokes, radially laced non-drive side? Thin DT Revolution spokes? Watch out for spoke wind up with those thin spokes. If you haven't taken the twist out then they will unwind again, even with linseed oil.
do you know how i should take the twist out?
Wheel building
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Re: Wheel building
Postby biker jk » Mon Dec 23, 2013 11:23 am
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Re: Wheel building
Postby Velo13 » Mon Dec 23, 2013 12:44 pm
1. Take the wheel out of the stand.
2. Place it axle down on the top of a carpet square/block of soft timber/anything that's a bit squishy to ensure that the axle end doesn't get marked. I do this on the floor on a carpet square, some do it on a table.
3. Place hands at 9 and 3 o'clock and lean on the rim with a fair bit of body weight (ie lots, with a reasonably tensioned 700c wheel it is possible to use my full 82kgs to do this), forcing all of the pressure through the axle.
4. Rotate rim 10-15degrees and repeat 3 (until you stop hearing the spokes unwinding - usually 6-10 times covered the wheel).
5. Turn the wheel over and do the other side following steps 2 - 4.
In a build, I usually do this 6-10 times. Increasing the "load" as the tension in the wheel increases.
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Re: Wheel building
Postby Crawf » Mon Dec 23, 2013 8:25 pm
Any risk of bearing damage loading up that way on the side? I guess a block with a hole drilled out would alleviate that worry.Velo13 wrote:Additionally, stress relieve the wheel frequently during the "re-build". There are lots of methods to do this, but the only one I feel works well is:
1. Take the wheel out of the stand.
2. Place it axle down on the top of a carpet square/block of soft timber/anything that's a bit squishy to ensure that the axle end doesn't get marked. I do this on the floor on a carpet square, some do it on a table.
3. Place hands at 9 and 3 o'clock and lean on the rim with a fair bit of body weight (ie lots, with a reasonably tensioned 700c wheel it is possible to use my full 82kgs to do this), forcing all of the pressure through the axle.
4. Rotate rim 10-15degrees and repeat 3 (until you stop hearing the spokes unwinding - usually 6-10 times covered the wheel).
5. Turn the wheel over and do the other side following steps 2 - 4.
In a build, I usually do this 6-10 times. Increasing the "load" as the tension in the wheel increases.
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Re: Wheel building
Postby biker jk » Mon Dec 23, 2013 8:29 pm
I wear leather gloves and squeeze parallel spokes quite hard. Seems to work well.Crawf wrote:Any risk of bearing damage loading up that way on the side? I guess a block with a hole drilled out would alleviate that worry.Velo13 wrote:Additionally, stress relieve the wheel frequently during the "re-build". There are lots of methods to do this, but the only one I feel works well is:
1. Take the wheel out of the stand.
2. Place it axle down on the top of a carpet square/block of soft timber/anything that's a bit squishy to ensure that the axle end doesn't get marked. I do this on the floor on a carpet square, some do it on a table.
3. Place hands at 9 and 3 o'clock and lean on the rim with a fair bit of body weight (ie lots, with a reasonably tensioned 700c wheel it is possible to use my full 82kgs to do this), forcing all of the pressure through the axle.
4. Rotate rim 10-15degrees and repeat 3 (until you stop hearing the spokes unwinding - usually 6-10 times covered the wheel).
5. Turn the wheel over and do the other side following steps 2 - 4.
In a build, I usually do this 6-10 times. Increasing the "load" as the tension in the wheel increases.
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Re: Wheel building
Postby Duck! » Mon Dec 23, 2013 8:41 pm
No more than actually riding the things.Crawf wrote:Any risk of bearing damage loading up that way on the side? I guess a block with a hole drilled out would alleviate that worry.Velo13 wrote:Additionally, stress relieve the wheel frequently during the "re-build". There are lots of methods to do this, but the only one I feel works well is:
1. Take the wheel out of the stand.
2. Place it axle down on the top of a carpet square/block of soft timber/anything that's a bit squishy to ensure that the axle end doesn't get marked. I do this on the floor on a carpet square, some do it on a table.
3. Place hands at 9 and 3 o'clock and lean on the rim with a fair bit of body weight (ie lots, with a reasonably tensioned 700c wheel it is possible to use my full 82kgs to do this), forcing all of the pressure through the axle.
4. Rotate rim 10-15degrees and repeat 3 (until you stop hearing the spokes unwinding - usually 6-10 times covered the wheel).
5. Turn the wheel over and do the other side following steps 2 - 4.
In a build, I usually do this 6-10 times. Increasing the "load" as the tension in the wheel increases.
Another technique I use a lot is to brace the rim in the crook of your hips, hold it with both hands at 12 o'clock, with your elbows at 3 o'clock and 9 o'clock. Pull up with your hands and press down with your elbows, working around the wheel, then flip over and repeat with the other side.
You can also apply simple radial compression; stand the wheel upright and apply your bodyweight directly downward, working around the wheel. This method is best suited to shallow-section rims which have a decent amount of give in them. Deep section rims have too much radial stiffness for this to work effectively.
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Re: Wheel building
Postby queequeg » Tue Dec 24, 2013 11:14 am
+1biker jk wrote:I wear leather gloves and squeeze parallel spokes quite hard. Seems to work well.Crawf wrote:Any risk of bearing damage loading up that way on the side? I guess a block with a hole drilled out would alleviate that worry.Velo13 wrote:Additionally, stress relieve the wheel frequently during the "re-build". There are lots of methods to do this, but the only one I feel works well is:
1. Take the wheel out of the stand.
2. Place it axle down on the top of a carpet square/block of soft timber/anything that's a bit squishy to ensure that the axle end doesn't get marked. I do this on the floor on a carpet square, some do it on a table.
3. Place hands at 9 and 3 o'clock and lean on the rim with a fair bit of body weight (ie lots, with a reasonably tensioned 700c wheel it is possible to use my full 82kgs to do this), forcing all of the pressure through the axle.
4. Rotate rim 10-15degrees and repeat 3 (until you stop hearing the spokes unwinding - usually 6-10 times covered the wheel).
5. Turn the wheel over and do the other side following steps 2 - 4.
In a build, I usually do this 6-10 times. Increasing the "load" as the tension in the wheel increases.
By doing this you won't get the "Ping Ping ping" noise the first time you ride the bike, which is usually a sign the wheels weren't stress relieved.
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Re: Wheel building
Postby jasonc » Mon Jan 06, 2014 6:42 pm
this is the info I have:
NDS: Length: 278 DT Gauge: AverageTension: 1200‐1600
DS: Length: 276 DT Gauge: 80‐100Tension: 1200‐1600
2 Cross x 24 3.2 Aero
Being just over 80kgs I want strong. It's going on a 30mm deep rim so am hoping it to be a little stiffer than the original. What spokes would you guys recommend?
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Re: Wheel building
Postby biker jk » Mon Jan 06, 2014 7:02 pm
That looks like a Pro-Lite Como rear wheel?jasonc wrote:ok. new rim coming for my rear wheel. different length spokes required. good news is I know the length
this is the info I have:
NDS: Length: 278 DT Gauge: AverageTension: 1200‐1600
DS: Length: 276 DT Gauge: 80‐100Tension: 1200‐1600
2 Cross x 24 3.2 Aero
Being just over 80kgs I want strong. It's going on a 30mm deep rim so am hoping it to be a little stiffer than the original. What spokes would you guys recommend?
- Velo13
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- Location: Lennox
Re: Wheel building
Postby Velo13 » Mon Jan 06, 2014 7:31 pm
Choose from the DT or Sapim ranges, and you can't go wrong.
*Unless you want to go with a CX-Ray which has a more dense metallurgy, and are stiff and light. That said, they are also very expensive.
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Re: Wheel building
Postby jasonc » Mon Jan 06, 2014 8:05 pm
bracciano hub, merano rimbiker jk wrote:That looks like a Pro-Lite Como rear wheel?jasonc wrote:ok. new rim coming for my rear wheel. different length spokes required. good news is I know the length
this is the info I have:
NDS: Length: 278 DT Gauge: AverageTension: 1200‐1600
DS: Length: 276 DT Gauge: 80‐100Tension: 1200‐1600
2 Cross x 24 3.2 Aero
Being just over 80kgs I want strong. It's going on a 30mm deep rim so am hoping it to be a little stiffer than the original. What spokes would you guys recommend?
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- Contact:
Re: Wheel building
Postby jacks1071 » Tue Jan 07, 2014 4:55 pm
aka "stelvio"jasonc wrote:
bracciano hub, merano rim
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Re: Wheel building
Postby biker jk » Tue Jan 07, 2014 5:18 pm
DT Alpine III. Sapim Strong.jasonc wrote:ok. new rim coming for my rear wheel. different length spokes required. good news is I know the length
this is the info I have:
NDS: Length: 278 DT Gauge: AverageTension: 1200‐1600
DS: Length: 276 DT Gauge: 80‐100Tension: 1200‐1600
2 Cross x 24 3.2 Aero
Being just over 80kgs I want strong. It's going on a 30mm deep rim so am hoping it to be a little stiffer than the original. What spokes would you guys recommend?
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Re: Wheel building
Postby jasonc » Tue Jan 07, 2014 9:23 pm
what's the currect recommended place to purchase?biker jk wrote:DT Alpine III. Sapim Strong.jasonc wrote:ok. new rim coming for my rear wheel. different length spokes required. good news is I know the length
this is the info I have:
NDS: Length: 278 DT Gauge: AverageTension: 1200‐1600
DS: Length: 276 DT Gauge: 80‐100Tension: 1200‐1600
2 Cross x 24 3.2 Aero
Being just over 80kgs I want strong. It's going on a 30mm deep rim so am hoping it to be a little stiffer than the original. What spokes would you guys recommend?
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- Location: Sydney
Re: Wheel building
Postby biker jk » Tue Jan 07, 2014 9:56 pm
Just do a Google search. There are many online shops that sell them. Note that the spoke thickness at the bend is 2.34mm for the DT and 2.3mm for the Sapim so make sure your Bracciano hub spoke holes are wide enough. I assume you have used a spoke calculator with the correct ERD of the rim and hub dimensions.jasonc wrote:what's the currect recommended place to purchase?biker jk wrote:DT Alpine III. Sapim Strong.jasonc wrote:ok. new rim coming for my rear wheel. different length spokes required. good news is I know the length
this is the info I have:
NDS: Length: 278 DT Gauge: AverageTension: 1200‐1600
DS: Length: 276 DT Gauge: 80‐100Tension: 1200‐1600
2 Cross x 24 3.2 Aero
Being just over 80kgs I want strong. It's going on a 30mm deep rim so am hoping it to be a little stiffer than the original. What spokes would you guys recommend?
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Re: Wheel building
Postby Mark Kelly » Tue Jan 07, 2014 10:34 pm
That's quite wrong. CX Rays are jast as flexible as any other spoke of equivalent cross section (eg any 1.5mm round spoke).Velo13 wrote:Unless you want to go with a CX-Ray which has a more dense metallurgy, and are stiff and light. That said, they are also very expensive.
No metallurgical influence changes the modulus of stainless, it stays around 200 GPa.
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Re: Wheel building
Postby Velo13 » Wed Jan 08, 2014 7:22 pm
Yes Mark, I believe you are quite right about the stiffness.Mark Kelly wrote:CX Rays are jast as flexible as any other spoke of equivalent cross section (eg any 1.5mm round spoke).
However (dependent on specification) CX-Rays often have shorter butted sections and in this case will be lighter than (say) a Laser. It's really a moot point though, because the reduction in weight is tiny.
Sapim market the CX-Ray as being made from a "special alloy". Do you believe it's all the same steel used across the range?
A Sapim rep justified the high cost of CX-Rays to me as being due to this "special alloy" and a "forging like" process to "compress" the spoke steel into the aero shape. The website also seems to indicate this, but I certainly don't believe everything I read on the internet ....
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Re: Wheel building
Postby Duck! » Wed Jan 08, 2014 8:05 pm
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Re: Wheel building
Postby Mark Kelly » Wed Jan 08, 2014 10:26 pm
If they say they are using a different alloy on the CX Rays I'm happy to accept that. My point was that no matter what alloy it is, its stiffness per unit weight is the same as the other alloys (within the range of austenitic steels). The CX-ray is a very light spoke, therefore it is correspondingly "stretchy", as someone above put it.Velo13 wrote: Do you believe it's all the same steel used across the range?
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Re: Wheel building
Postby familyguy » Tue Jan 21, 2014 4:36 pm
Jim
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Wheel building
Postby warthog1 » Tue Jan 21, 2014 9:23 pm
I'll have to keep reading about it. It's a good read anyway. Nice work fellas.
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Re: Wheel building
Postby Duck! » Wed Jan 22, 2014 12:28 am
With a different lacing pattern on each side, the rim-hub angle the spokes take will be different. I don't have a pic, but imagine this.... Start with a direct line from the valve to the hub flange, centred between two spoke holes. On your 3x side, the lead spoke immediately to the left of the valve will seat in the 4th hole to the left of the centre line. Flip over to the 2x side and repeat, but this time your lead spoke will seat in the 3rd hole around to the left of centre. So your two lead spokes are converging slightly toward the hub.familyguy wrote:Does anyone have a reference image of a 32H 2x NDS/3x DS rear wheel?? My spokes at the valve are not running parallel and I'm stuffed if I can tell why not.
Jim
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Re: Wheel building
Postby familyguy » Wed Jan 22, 2014 9:47 am
Jim
* Sleep deprivation bought to you by the Australian Open.
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Re: Wheel building
Postby familyguy » Fri Jan 24, 2014 9:05 am
2X NDS, 3X DS. Nice parallel pair to valve hole (at top). V. happy.
Jim
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Re: Wheel building
Postby insightt47 » Sun Jan 26, 2014 2:01 am
So far ive come up with
Front Hub: Alchemy ELF 24 hole
Rear Hub: Alchemy ORC UL 28 hole
Spokes: Sapim Cxray
Rims: H Plus Son Archetype???
Any opinions on some good rims? I like the look of the H PLus Son but im not sure about their stiffness or durability. Other rims i have in mind are Placenti sl23, velocity A23 and hed c2 belgium?
Or I might just go the simple route and get some ROL Dehuez 24/28 http://www.rolwheels.com/wheels/wheel/dhuez-24-28" onclick="window.open(this.href);return false;
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