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PostPosted: Mon Aug 18, 2014 7:20 am 
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Joined: Sun Aug 17, 2014 9:01 pm
Posts: 5
Can anyone advise on the benefits/differences of 23 or 25mm carbon cyclocross rims?

Using 21cm now and buying a second set and have choice of new widths.

Weight wise I am assuming the 25's are a little heavier but does the extra internal width offer any advantages.

Many thanks


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Posted: Mon Aug 18, 2014 7:20 am 


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PostPosted: Mon Aug 18, 2014 7:44 pm 
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Joined: Tue May 23, 2006 4:33 am
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At 25 mm, some brakes start having problems accommodating the width. It's also a relatively rare width so far, so if you are swapping wheels, you will have to do more adjusting. For tires in the 50+ mm size range, the extra width can stabilize the sidewalls a bit so the ride is a bit more predictable. But for cross tires, I've found that a 23 mm rim offers a great improvement over a 19.5 mm or so rim, but the 25 doesn't do that much more. It just wasn't worth the hassles when swapping wheels.


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PostPosted: Mon Aug 18, 2014 11:01 pm 
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Joined: Sun Aug 17, 2014 9:01 pm
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But not such problem if using discs? The extra stability sounds good.


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PostPosted: Tue Aug 19, 2014 1:37 pm 
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Location: Denmark
Correct, no such problems when using discs. I'd probably try the 25 mm ones. By the way, which rims are they? I'd also be interested in some :)

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PostPosted: Tue Aug 19, 2014 6:24 pm 
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Farsports Disc Tubulars, 38mm


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PostPosted: Wed Aug 20, 2014 10:41 am 
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Nice, thanks :)

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PostPosted: Wed Aug 20, 2014 8:08 pm 
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Joined: Sun Feb 03, 2008 2:40 pm
Posts: 55
Location: Grycksbo Sweden
Looking to build 4 sets of carbon tubular CX disc wheels with center lock hubs. Has anyone seen a rim similar to the one mentioned below, but with a lower profile than 38 mm? More like 25-30 mm? With a descent price…
Basically I'm looking for a budget version of a Enve MTB XC 29er tubular both with a center lock 11 speed hub… are there such wheels?


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PostPosted: Wed Aug 20, 2014 11:24 pm 
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Joined: Mon Nov 01, 2010 3:53 am
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JBC wrote:
Farsports Disc Tubulars, 38mm


Were you able to get a price quote on those? I emailed them last week about them and never got a response. If you did get a quote, how much were they?


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PostPosted: Thu Aug 21, 2014 6:39 am 
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Joined: Fri May 16, 2014 7:22 am
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preludervtec wrote:
JBC wrote:
Farsports Disc Tubulars, 38mm


Were you able to get a price quote on those? I emailed them last week about them and never got a response. If you did get a quote, how much were they?


about 100usd/pcs, not including the shipping, i think 23mm wide is perfer for cyclocross.


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PostPosted: Tue Aug 26, 2014 4:06 am 
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Joined: Sat Jul 24, 2010 9:41 pm
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Jens Westergren wrote:
Looking to build 4 sets of carbon tubular CX disc wheels with center lock hubs. Has anyone seen a rim similar to the one mentioned below, but with a lower profile than 38 mm? More like 25-30 mm? With a descent price…
Basically I'm looking for a budget version of a Enve MTB XC 29er tubular both with a center lock 11 speed hub… are there such wheels?


http://www.light-bicycle.com/tubular-mt ... _v51GPxw1I


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PostPosted: Mon Jun 22, 2015 6:05 pm 
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Joined: Mon Jun 22, 2015 2:17 am
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Front 23 Rear 25


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PostPosted: Fri Jun 26, 2015 11:49 am 
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Joined: Sat Sep 12, 2009 10:42 pm
Posts: 13
I have a pair of the Light-Bicycle rims just landed, ready for my second wheelbuild.

I have the 23mm width / 32 hole / Tubulars, in the 3k finish. Rims weigh in at: 318gr and 322gr respectively. Quality looks good.

Their communucation was very good throughout, they quote that they are using Toray T700 carbon which swung it for me over other chinese brands, rims were $133 each, but you might get a deal for bulk.

Mine have the basalt coating on the rims even though they are for a disc build, thought they may get repurposed at some point.

I would post a picture if I could figure out how to do it, but in fairness they look just like the pics on their website.

I went with the 23mm rim as the back end on the existing Felt F1X is quite tight for clearance, and their 25mm 'U-shaped' rim is only listed in a 45mm as a tubular.


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PostPosted: Sat Jun 27, 2015 9:42 pm 
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Location: US
I have 2 pairs of Light-Bicycle rims and a 3rd set on the way. Both sets built up easy without any issues and came in lighter than advertised. Best combination of value and performance I've found.

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PostPosted: Mon Jul 06, 2015 5:33 pm 
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Joined: Mon Oct 15, 2007 9:28 pm
Posts: 1076
Anyone have a set of disc brake clinchers with Light-Bicycle shallow wider clincher. I think it is 24mm?
What is your wheel weight?


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PostPosted: Wed Aug 05, 2015 9:22 am 
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Joined: Wed Feb 11, 2015 11:18 am
Posts: 30
Just to confirm what I've read; do you guys advise 23mm over 25mm for cyclocross?

I've switched to 23mm which was a huge improvement stability wise, so I'd reckon 25mm is even more of an improvement..


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Posted: Wed Aug 05, 2015 9:22 am 


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