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DA WH-7900-C24-CL vs 7850-C24

Posted: Fri Jan 07, 2011 9:39 am
by KH1
Does anyone know what the difference is between the 7850 C24 and the new 7900 C24 wheelset is? Besides price and graphics.
Cheers

Re: DA WH-7900-C24-CL vs 7850-C24

Posted: Fri Jan 07, 2011 10:22 am
by TomHelly
The spoke nipples are black instead of red, and the bearing preload adjustment is different (more user friendly) on the 7900's. FYI I have the 7900's. Haven't poked around inside the hubs yet to see if there are any differences there.

Re: DA WH-7900-C24-CL vs 7850-C24

Posted: Fri Jan 07, 2011 10:22 am
by Weenie

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Re: DA WH-7900-C24-CL vs 7850-C24

Posted: Sun Feb 05, 2012 12:29 pm
by terminus
I heard seals are different and faster engagement on 7900, not sure anyone can confirm? Also physically the 7900 hub shell is larger

Re: DA WH-7900-C24-CL vs 7850-C24

Posted: Sun Feb 05, 2012 4:21 pm
by quango2k
i have had both..

newer seals on the 7900, new graphics, black spoke nipples, black skewers. (black skewers only come on non OEM wheels)

proper retail ones will come with black skewers and wheel bags.

best place I have found to buy them is where I got mine.. Hargroves cycles

another good shop, Planet X..they also do C35's and C50's :)

Re: DA WH-7900-C24-CL vs 7850-C24

Posted: Mon Feb 06, 2012 2:54 am
by terminus
Confirmed:
-New Seals
-Rim Cosmetics
-Nipple Color
-Hub Axles Larger
-Digital Click System (for the bearing preload)

Maybe?
-Faster Engagement with 7900 freehub?

Re: DA WH-7900-C24-CL vs 7850-C24

Posted: Thu May 24, 2012 9:31 pm
by skogling
I will pick up my new new 7900 tomorrrow and sell my 7850.

Re: DA WH-7900-C24-CL vs 7850-C24

Posted: Fri May 25, 2012 3:02 am
by blantonator
also,

7850's are 20mm wide,
7900's 22mm

Re: DA WH-7900-C24-CL vs 7850-C24

Posted: Fri May 25, 2012 4:54 am
by Hubert
blantonator wrote:also,

7850's are 20mm wide,
7900's 22mm


That is incorrect, both rims are 20.8mm wide.

WH7900C24 tech doc

WH7850C24 tech doc

You can alos compare part #s by looking up the exploded views: 7900 exploded view and 7850 exploded view.

To the OP, I'm currently riding the 7900 C24 clinchers and they're fantastic. Go for it!

Re: DA WH-7900-C24-CL vs 7850-C24

Posted: Fri May 25, 2012 4:54 am
by Weenie

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