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PostPosted: Sun Nov 13, 2016 2:56 pm 
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Joined: Mon Feb 19, 2007 3:44 am
Posts: 2254
Location: Canada
I just finished a Powertap GS build. The NDS tension is very low, so I would recommend go with big spokes and stiff rim at your weight.
Kinlin XR31T is a very good suggestion IMO.

NOTE: I had to cut 2mm off my spokes based on the Powertap chart. And I heard it happened to a few other builders too.
Make shure you get the lenght right.

Louis :)


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PostPosted: Mon Nov 14, 2016 5:13 am 
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Joined: Fri Feb 17, 2006 6:22 am
Posts: 1765
Location: Zion
Who likes / dislikes the idea of Sapim Laser spokes laced to a GS straight pull hub and Reynolds Attack clincher rim? Are they too dainty?

I think an Aero spoke will be more fiddly for truing, so I'm looking at round spokes. Am I mistaken?

I'm 73-74kgs. My Reynolds Attacks use straight pull spokes front and rear, as built by the factory.

_________________
5.7kg / 12.7lbs Addict SL w/PowerTap
9.3kg / 20.5lbs Scale 29 Pro ... woefully under-used
Retired: 5.9kg / 13lbs Addict R1 w/PowerTap ... lowest was 5.593kg / 12.33lbs


Last edited by Johnny Rad on Wed Nov 23, 2016 11:30 pm, edited 1 time in total.

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Posted: Mon Nov 14, 2016 5:13 am 


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PostPosted: Tue Nov 15, 2016 12:52 am 
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Joined: Sat Oct 09, 2010 11:42 am
Posts: 154
You'd have a MUCH easier time with bladed spokes. I just flat out refuse to build straight pull hubs with round spokes. Get bladed spokes and a spoke holder and you're way better off. Keeping straight pull round spokes from spinning is a be-yotch, and then compound that with the windup you get with Lasers. Just do blades.

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PostPosted: Tue Nov 15, 2016 5:55 am 
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Joined: Fri Feb 17, 2006 6:22 am
Posts: 1765
Location: Zion
Thx for the advice. Appreciate it.

NovemberDave wrote:
You'd have a MUCH easier time with bladed spokes.

_________________
5.7kg / 12.7lbs Addict SL w/PowerTap
9.3kg / 20.5lbs Scale 29 Pro ... woefully under-used
Retired: 5.9kg / 13lbs Addict R1 w/PowerTap ... lowest was 5.593kg / 12.33lbs


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PostPosted: Tue Nov 15, 2016 7:44 am 
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Joined: Wed Jan 21, 2009 6:58 am
Posts: 293
Location: Finland
ergott wrote:
I wouldn't do that build. The hub doesn't build up to a very stiff wheel...


You wrote that the hub does not build up to a very stiff wheel: is this just the Powertap GS rear hub or is it common for all DT Swiss straight pull hubs? I am asking because I have been planning another wheel build, using DT Swiss hubs.


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PostPosted: Tue Nov 15, 2016 3:56 pm 
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Joined: Tue Apr 18, 2006 3:03 am
Posts: 2642
Location: Islip, NY
The DT Swiss rear straight pull hubs also have poor geometry. The fronts are okay and I've used them. I flat out refuse to use the straight pull rears, especially when their flanged counterparts are better (albeit not ideal).

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PostPosted: Thu Dec 15, 2016 9:20 pm 
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Joined: Thu Sep 29, 2016 12:45 pm
Posts: 87
Location: Newcastle, UK
My new wheel arrived and I've been for my first ride! In the end I went for a Kinlin XR31t, 24h offset with Sapim CX-rays. Very happy. I got it made by DCR wheels in the UK, who I can recommend too.

958g with 10 speed spacer, stans tape, and without skewer (sorry about the crap photo).

Thanks everyone for the help.

Image
Image


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PostPosted: Sat Dec 17, 2016 1:28 pm 
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Joined: Fri Dec 06, 2013 2:23 pm
Posts: 13
To Powertap GS hub,any heavy rims is the stone of Sisyphus, you need both eccentric rims and heavy spokes,the best choice is carbon eccentric rims.

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PostPosted: Mon Dec 19, 2016 3:13 am 
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Joined: Wed Apr 08, 2009 5:23 am
Posts: 572
Location: Olympic Nat'l Park, WA
ergott wrote:
The DT Swiss rear straight pull hubs also have poor geometry. The fronts are okay and I've used them. I flat out refuse to use the straight pull rears, especially when their flanged counterparts are better (albeit not ideal).


Good insight there. I agree, except that the front straight-pull flanges on the disc variant are less than ideal, being too close together (i.e. short center-to-flange measurements).


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PostPosted: Mon Dec 19, 2016 3:14 am 
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Joined: Wed Apr 08, 2009 5:23 am
Posts: 572
Location: Olympic Nat'l Park, WA
LouisN wrote:
I just finished a Powertap GS build. The NDS tension is very low, so I would recommend go with big spokes and stiff rim at your weight.
Kinlin XR31T is a very good suggestion IMO.

NOTE: I had to cut 2mm off my spokes based on the Powertap chart. And I heard it happened to a few other builders too.
Make shure you get the lenght right.

Louis :)


Powertap says the spoke lengths should be the same for both sides of this hub. Were they?


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PostPosted: Mon Dec 19, 2016 7:14 am 
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Joined: Wed Jan 21, 2009 6:58 am
Posts: 293
Location: Finland
I did not have any issues with the spoke lengths. I used the same length both on DS and NDS and the length was calculated using the formula from the spoke length chart. I used Sapim CX Ray spokes.


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PostPosted: Mon Dec 19, 2016 4:49 pm 
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Joined: Mon Feb 19, 2007 3:44 am
Posts: 2254
Location: Canada
UpFromOne wrote:
LouisN wrote:
I just finished a Powertap GS build. The NDS tension is very low, so I would recommend go with big spokes and stiff rim at your weight.
Kinlin XR31T is a very good suggestion IMO.

NOTE: I had to cut 2mm off my spokes based on the Powertap chart. And I heard it happened to a few other builders too.
Make shure you get the lenght right.

Louis :)


Powertap says the spoke lengths should be the same for both sides of this hub. Were they?


Yes, they were.

I had to cut all of them.

Louis :)


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