H Plus Son TB14's in a Colnago Extreme C

Everything about building wheels, glueing tubs, etc.
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Sjoerd
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Joined: Fri Jan 15, 2010 7:22 pm
Location: Les Pays Bas

by Sjoerd

Hi all,

I'm thinking of having a set of wheels built with H Plus Son TB14 rims, but I have some concerns that they will not fit my Colnago Extreme C (with a Star-fork). I know the tolerances are tight. Is there anyone with any real life experience? I plan to ride the wheels with 23c tires.

I ride Continental 4 Seasons in the "off season" and Veloflex Masters when the weather permits is. Both run pretty true to their size on my Campagnolo Neutron Ultra wheels.

Thanks for your comments!

dudemanppl
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Joined: Fri Feb 22, 2013 5:09 am

by dudemanppl

Fit my Extreme Power fine with 25mm (26-27mm measured) tires.

by Weenie


AJS914
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Joined: Tue Jan 28, 2014 6:52 pm

by AJS914

My C59 easily fits 25mm tires (GP5000TL) on 25mm wide rims (19mm internal).

23mm tires should be more than fine on your Colnago. Weren't 23mm wide tubulars the standard when the frame was made?

The tire that people seem to have trouble with on older Colnagos is the 25mm GP4000 primarily because it's a very tall tire. The width is usually not the issue.

alcatraz
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Joined: Mon Aug 29, 2016 11:19 am

by alcatraz

If the country of origin is any indication of the real width then german tires (conti) run wide and italian (vittoria, maybe veloflex) run narrow.

What's the fork's inner width?

Slammed
Posts: 142
Joined: Sun Feb 01, 2015 12:32 am

by Slammed

You should be fine. Wider rims are actually better because they flatten out the tire a bit. My friend's lightweights with 23mm Vittoria tubulars don't fit on his extreme c because they're too tall.

petromyzon
Posts: 432
Joined: Mon Apr 05, 2010 4:14 pm

by petromyzon

Slammed wrote:
Tue Dec 17, 2019 6:30 am
You should be fine. Wider rims are actually better because they flatten out the tire a bit. My friend's lightweights with 23mm Vittoria tubulars don't fit on his extreme c because they're too tall.
This is not usually true unless the rim is too wide for the tyre to be safe on it. Wider rim = taller AND wider tyre, by a small degree.

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Sjoerd
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Location: Les Pays Bas

by Sjoerd

Thanks for the replies all!
alcatraz wrote:
Tue Dec 17, 2019 12:26 am
What's the fork's inner width?
I measure it at around 37 mm. It's not so much the width I am concerned with, but the height. Didn't Eupberg (hope I'm getting his name right) made a small modification to his C50 or EP-fork to accomodate 25 mm tires?

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Sjoerd
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by Sjoerd

eurperg is his user name!

by Weenie


alcatraz
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Joined: Mon Aug 29, 2016 11:19 am

by alcatraz

If you could shim the dropout you could maybe gain a mm or two of clearance.

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