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PostPosted: Thu Feb 07, 2013 12:25 am 
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Hello all,

I'm looking at putting some HED C2's onto Hope Pro3's via Sapim spokes. I've decided on Laser's for the front however aside from the weight loss is there anything else that's beneficial to using Laser's on the NDS rear? I'm going to use Race for the DS.
Spoke count will be 28/28.


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Posted: Thu Feb 07, 2013 12:25 am 


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PostPosted: Thu Feb 07, 2013 3:42 am 
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@vala-I doubt there would be any real world difference in running Lasers on the rear NDS.

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PostPosted: Thu Feb 07, 2013 11:12 am 
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Do it for the small weight loss. I use Laser on the NDS as techically it should make the NDS spoke have a slightly longer life. Possibly no difference in reality though as the rim will wear out before the spoke fatigue hopefully.

I rarely use Race spokes both side on a road wheel unless the rider weight, rider riding style/power output, budget or other factors necessitates it. No point in making wheels heavier than they need to be.

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PostPosted: Thu Feb 07, 2013 2:58 pm 
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Jeremy via Alchemy suggested going all 1x with heads in on the even numbered NDS triplets in our email exchange. I stuck a couple spokes in a hub and looked at that arrangement.. and he's very right as to the minor cross interference. Obvious advantage is the spoke angle vs the flange stresses... which should be less 1x. I will definitely try that next time around. Thanks again Jeremy for taking the time.

As I think I noted above in the 18-10 lacing.. I used heads out for more uniform tension side to side. I figured that lacing meant slightly less flange stress also. [?].

While I see the point/s per radial lacing vs hub stress.... my view is that concern is somewhat over stated. Consider.. the 16 or even in some cases 18 holes alone on some DS builds.. cranked to 130 kgf +. With some of the stiff rims being employed in those builds... hub stresses have to be very high. And while the radial pulls away at 90 degrees.. that stress at every other hole. Yes likely some brands do appear to separate more often.. yet one has to consider the build overall and how that wheel was used.


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PostPosted: Fri Feb 08, 2013 4:51 am 
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Location: Canada
I have a MTB front hub with a 15mm thru axle that's broken. Everything else on the wheel is in excellent shape.

The original axle is not available from the manufacturer.

Can I use another "standard" alloy 15mm thru axle ?
I need some end caps too, they shoud be 17 mm in diameter to cover the bearing cartridges (6803 I think) properly.

Thanks for the tips,

Louis :)


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PostPosted: Fri Feb 08, 2013 7:56 am 
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Location: Slovenia---that forest land
Alos i have a qusetion . need opinion

MTB 26" wheel , disc brakes, 32 spokes both (3x). Rim FRM(320g) or StansNoTubes(360g)
Will be useing 1,8mm spokes(Race) on DS increased stiffnes or will not be noticable (going with Lasers all the way)?

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PostPosted: Fri Feb 08, 2013 12:38 pm 
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Quick update on the topic that starts on this post - viewtopic.php?f=3&t=74564&start=3660#p946622" onclick="window.open(this.href);return false;" onclick="window.open(this.href);return false;
basically, EA90 SL's have cracked nipples and need a rebuild.

Easton have provide the details on spoke length and type, see below. Do I order these or can I order any spoke type (SP) of that length to complete the build? Would CX-Ray (and CX-Speeds for rear DS) be a better bet?

After some advice from experience builders.

Image

Wouldn't provide hub measurements to allow a new rim to be swapped in. They want $200 USD each for them!


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PostPosted: Fri Feb 08, 2013 2:44 pm 
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I am not 100% sure, but I thought that I read that Easton used the kinlin xr300 for that wheelset. I am sure others can confirm.

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PostPosted: Fri Feb 08, 2013 6:14 pm 
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@kavitator- Going with Races on the DS will not make the wheel noticeable stiffer than going Lasers all around.

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PostPosted: Fri Feb 08, 2013 6:56 pm 
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Thanks :thumbup:

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PostPosted: Fri Feb 08, 2013 10:28 pm 
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I'd personally use the D-light spokes all round instead of lasers but I suppose it depends on the kind of terrain you are using. 26" wheels are stiffer tan 700c wheels anyway so using a stiffer spoke DS makes less sense.

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PostPosted: Fri Feb 08, 2013 10:56 pm 
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Zen Cyclery wrote:
@kavitator- Going with Races on the DS will not make the wheel noticeable stiffer than going Lasers all around.


Having never had the use of lighter NDS spokes explained to me.. think now the 'light' is going on.

For instance.. if the DS was laced with 14G to 120 kgf.. the Park tension meter would read "25". Assuming this build gave a 50% NDS tension .. a 14G NDS would give "19" Park. Substitute those 14G NDS with Sapin Laser's having a 1.5 mid section.. and read across the chart.. the Laser's kgf reading corresponding to the 19 reading of the 14's.. would show 117 kgf. [?].

Is that correct?


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PostPosted: Sat Feb 09, 2013 8:50 am 
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Yes to your question winter rider. It idea of laser spokes on the NDS is that they stretch more for a given load. So more raidaly deflection is required to get them to loose tension. Of course radial stiffenss will be a bit lower with Laser NDS and Race spokes DS, compared to Race spokes all round, so there will be more radial deflection anyway. However what I do not know for certain is if there drop is radial stiffness with using Laser spokes NDS is big enough to remove the benefit of using them.

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PostPosted: Sat Feb 09, 2013 8:53 am 
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Well on lightweight aluminium clincher it works - kinlin xr200 with 28 spokes (14race,14laser) is stiff and and dont need any trueing for long time

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Posted: Sat Feb 09, 2013 8:53 am 


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PostPosted: Sat Feb 09, 2013 10:57 am 
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Location: Slovenia---that forest land
I am looking for Mavic spokes R2R (cosmic exalithe wheels) table for tension with Wheelfanatyk tensiometer.
Has anyone got it?

Is really 110kg max tension on those rims? (older claim 170kg- but we know what happened to them)

Cheers

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