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PostPosted: Fri Aug 23, 2013 9:04 pm 
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Joined: Sun Oct 28, 2012 12:00 am
Posts: 32
lannes wrote:
Can you increase the tension of the spokes to reduce the play or is the flex in the rims themselves

No, the rim can get damaged.
I think if one cares about how flexy the Zipps are it's better to get them build with 24 spokes, better lacing and better hub.
Or get ENVE that can supposedly have more tension... NOT that I am knowledged enough to say it's better.

But my side to side play is definitely caused within the hub...
I have just ordered new bearings, which are marked as C1 (tight clearance). Maybe it will make some difference, maybe not.
Will keep you posted.

----------
I met a guy with Venge, here's his information:

I watched your video and it seems like there are a bit to much play.
I checked my wheels which i ride on a Venge Pro. My wheels are 2012. Yes, there are some play and a bit of softness. If i push really hard I can make them move fore 3mm to each side. I have ridden the my 404's with the ceramic bearings more than 6000km this summer. If i get out of the saddle at 52-11 and putting all pressure i got (185cm 80kg) i can make them scrape against the brake pads.
My Venge got a lot more room between the chainstays than your sl2. I have had a lot more problem with other wheels. I think the ZIpp wheels are one of the best, because of the easy maintenance and ride quality. The bad side is that they are a bit soft side to side. My original Roval rapid sl45 are much stiffer side to side, but the weight is 1850g. Im probably changing for a Tarmac s-works sl4 next year, just thinking about the choice of wheels. Maybe i should try with the 404's on the frame before buying...

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I am Zipp 188 hub specialist :D


Last edited by mzz on Thu Aug 29, 2013 12:03 pm, edited 1 time in total.

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Posted: Fri Aug 23, 2013 9:04 pm 


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PostPosted: Mon Aug 26, 2013 8:54 pm 
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Joined: Sun Oct 28, 2012 12:00 am
Posts: 32
Martin,
That motion is completely normal and is caused by flex in the axle. All hubs will have some flex in the axle. The main issue is that there is too little clearance between your frame and the rim. You may get slightly better results with a different hub, but the Specalized frame you have is known to be very tight.

Reply by Wheelbuilder.com

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Life's too short to smile for reason.
I am Zipp 188 hub specialist :D


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PostPosted: Thu Aug 29, 2013 12:09 pm 
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Joined: Sun Oct 28, 2012 12:00 am
Posts: 32
New bearings arrived!
eBay: 6803-2RS HYBRID CERAMIC Si3N4 ABEC7 BALLBEARING KIT 4 PIECES

2 people replied to me they had no side play on their Zipps after changing to these.

I just replaced the bearings myself.
It seemed very tight to get the axle through, so I had good feeling about it.

Unfortunately the play remained the same.
I took it outside for short ride, but it rubbed the frame immediately after tilting the bike sideways :-(

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Life's too short to smile for reason.
I am Zipp 188 hub specialist :D


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PostPosted: Fri Aug 30, 2013 10:07 pm 
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Joined: Sun Oct 28, 2012 12:00 am
Posts: 32
--- SOLVED ---
I was getting frame rub at the drive side... so I have put 1 Zipp 0.25 shim... didn't help... I put 2 shims... it was rubbing the other side.
I took springs from skewer as I noticed they caused some inbalance.
I have put two ~2mm wide shims at both ends of the hub (not the axle, but on skewer).

Now, by pressing on the rim with my hand the rim still touches both, but I have to push harder :thumbup:

I pushed 1200 watts standing with no rub and 80 km with no problems.

However it still rubs on both sides if I lean the bike more than I normally do...

Anyway, wheels became useable.


Image

_________________
Life's too short to smile for reason.
I am Zipp 188 hub specialist :D


Last edited by mzz on Thu Sep 05, 2013 3:17 pm, edited 14 times in total.

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PostPosted: Fri Aug 30, 2013 10:07 pm 
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Joined: Sun Oct 28, 2012 12:00 am
Posts: 32
[duplicate]

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Life's too short to smile for reason.
I am Zipp 188 hub specialist :D


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