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45mm or 35mm deep rims for cx?
45mm 22%  22%  [ 5 ]
35mm 78%  78%  [ 18 ]
Total votes: 23
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PostPosted: Thu Dec 17, 2015 9:18 pm 
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Joined: Sat May 02, 2015 10:11 pm
Posts: 803
If Zipp offers him the 303's, no doubt he could get the 202's instead if he asked. But apparently he prefers the 303's even though 202's are considerably lighter. Everyone in here agrees that, lighter is better. Please explain to me, why he would choose 303 over 202.

And yes, I race. We have probably done the same races you and I.


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Posted: Thu Dec 17, 2015 9:18 pm 


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PostPosted: Thu Dec 17, 2015 10:45 pm 
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Joined: Mon Dec 09, 2013 3:19 pm
Posts: 314
Location: Denmark
Stiffness and durability


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PostPosted: Thu Dec 17, 2015 10:54 pm 
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Joined: Wed Nov 30, 2011 4:36 am
Posts: 85
Location: Seattle, WA
IMHO, it's about rim width. 303s have a wider rim than 202s.

I *think* it's something like 26.X versus 22.X mm, which accounts for much of the 200g difference.

I am pretty certain if zipp started making the 202s as wide as 303s, you would see more 202s than 303s in races.

_________________
"If it ain't broken, it could be lighter"


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PostPosted: Thu Dec 17, 2015 11:12 pm 
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I'm pretty sure Wout doesn't care about durability, he gets as many wheels, as he wants. And I'm pretty sure as well, that weight trumps stiffness, if it's not too much of a trade off, which it is not. But width could be the reason...


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PostPosted: Fri Dec 18, 2015 8:52 am 
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Joined: Fri May 25, 2007 6:43 pm
Posts: 3284
spookyload wrote:
I would go low profile and wide.
Careful with too wide if you race under UCI rules. 33mm max tyre size is actually measured, not what is printed on the sidewall. They have been known to check here.

the_marsbar wrote:
Do you race CX? I don't think it makes much of a difference. I've never seen mud being "shovelled" as you say. I'm raced for several season, and we get thick mud here as well...
TBH, i think it's more of an issue with traditional box section rims, where the spoke bed is almost flat, i've picked up a good pile of mud on the rim before now on older rims. (much older)
Fortunately, no one sells rims like that anymore, they are all *slightly* aero.

Only modern rim issue i've had is when the mud is full of freshly cut grass, but then you tend to have more serious issues than a bit of mud on your rims......


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PostPosted: Fri Dec 18, 2015 10:31 am 
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Location: Denmark
Wout has to care a little about durability. They could break during a race.

A rider of Wout's size and with power like his, stiffness is important and I think 303s provide that extra stiffness compared to 202s.

@mattr:
Tubular rim doesn't really affect tire width.


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PostPosted: Fri Dec 18, 2015 10:51 am 
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The OP was asking about clinchers.

Hence the concern about going to wide rims.


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PostPosted: Fri Dec 18, 2015 11:43 am 
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mattr wrote:
The OP was asking about clinchers.

Hence the concern about going to wide rims.


Sorry. Didn't see that.


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