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PostPosted: Thu May 01, 2014 4:35 pm 
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Joined: Thu May 01, 2014 4:25 pm
Posts: 7
Hi guys,

Hoping for some advice as my head is frazzled trying to decide what wheels to get!

Basically I want to purchase a set of wheels that will satisfy my road bike needs as well as being able to use them for the odd club tt I do. I also have a powertap that I would like to build into the rear wheel build. Unfortunately it is a 32 hole tap.

I'm considering buying a set of 50mm deep carbon rims from China (aware of the dangers re heat build, happy with supplier etc) with 24h front and 32h rear so that the tap can be used. I'd probably use a wheel cover on the rear for the tts. So what do you guys think? Will the fact that the rear is 32h make a massive difference? If so I'm thinking I might be better trying to sell the tap and buying one to fit a 24h wheel (or a dura ace crank perhaps). Also do you think the 50mm deep is a good compromise to allow me to use the wheels for tting and road use (especially given that I will be using a cover)?

Appreciate any thoughts and advice. Cheers!


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Posted: Thu May 01, 2014 4:35 pm 


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PostPosted: Thu May 01, 2014 4:41 pm 
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Joined: Thu Dec 05, 2013 3:37 am
Posts: 159
32 spokes will not cause a major drag penalty.

Also, I ride 50mm wheels every day and they are just fine in all conditions.

The cover is a good choice as well

Sent from my Nexus 7 using Tapatalk


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PostPosted: Thu May 01, 2014 4:47 pm 
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Thanks Vdrey. That's good to know!!


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PostPosted: Thu May 01, 2014 5:23 pm 
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Joined: Mon Mar 28, 2011 6:46 pm
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Location: Amsterdam
If you are concerned about 32 spokes you could also built you rear wheel with a 8:16 pattern.
I'm not a specialist in this matter, so maybe other can give their opinion on this.


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PostPosted: Fri May 02, 2014 12:08 am 
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Location: Z├╝rich, Switzerland
Interesting option that 16:8

Is there a reference to how the lacing should be and how to calculate spoke length ?

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PostPosted: Fri May 02, 2014 8:43 am 
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TimmS wrote:
If you are concerned about 32 spokes you could also built you rear wheel with a 8:16 pattern.
I'm not a specialist in this matter, so maybe other can give their opinion on this.


Thanks TimmS. I did look at that option, but had concerns about fitting a square peg in a round hole and ending up with a less than optimal solution.


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PostPosted: Fri May 02, 2014 10:06 am 
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Location: Brighton, UK
What model Powertap is it and how heavy are you? The flanges on a PT are odd sizes and usually the more spokes the better in my opinion.

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PostPosted: Fri May 02, 2014 10:42 am 
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SalsaLover wrote:
Interesting option that 16:8

Is there a reference to how the lacing should be and how to calculate spoke length ?


Here you can find a spoke calculator able to handle 16:8 lacing.

The lacing is quite simple, but this description unfortunatly is in german only. Maybe the picture tells enough.


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PostPosted: Fri May 02, 2014 11:22 am 
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I think that a standard 32 spoke with 2 or 3 cross lacing would be the best decision because it is really simple and also very strong.

Just make sure to use bladed spokes of some kind.

Sent from my Nexus 7 using Tapatalk


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PostPosted: Fri May 02, 2014 2:40 pm 
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StradaJon wrote:
What model Powertap is it and how heavy are you? The flanges on a PT are odd sizes and usually the more spokes the better in my opinion.


Cycleops (the older heavier one)


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Posted: Fri May 02, 2014 2:40 pm 


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PostPosted: Fri May 02, 2014 2:41 pm 
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Joined: Thu May 01, 2014 4:25 pm
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vdrey wrote:
I think that a standard 32 spoke with 2 or 3 cross lacing would be the best decision because it is really simple and also very strong.

Just make sure to use bladed spokes of some kind.

Sent from my Nexus 7 using Tapatalk


Thanks Vdrey


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