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 Post subject: 22 or 23mm front tire?
PostPosted: Fri Nov 30, 2012 4:02 pm 
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Joined: Fri Jun 03, 2011 9:11 pm
Posts: 213
Hello,

I have a 22mm Veloflex Master clincher and a 23mm version of the same tire.

Which combination should I better install on a steel road frame with aluminum low profile rims, aimed for easy long rides? 22F/23R or 23F/22R ?

Thanks...

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PostPosted: Fri Nov 30, 2012 4:12 pm 
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Joined: Wed Oct 06, 2004 6:55 pm
Posts: 2350
Location: Vienna, AUT
Think about how your weight is distributed on the bike and where the most rolling resistance is located - front or back - and everything will be illuminated. :thumbup:


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PostPosted: Fri Nov 30, 2012 4:26 pm 
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Joined: Sun Jul 18, 2004 1:10 pm
Posts: 377
Location: Ontario, Canada
Answer:
22F/23R

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PostPosted: Fri Nov 30, 2012 6:03 pm 
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Joined: Mon Sep 10, 2012 2:37 pm
Posts: 75
Bicycle weight distribution is generally 45/55, Front to Rear, under general steady state rider/riding conditions.
22 goes on front, 23 on rear.

btw, if you weight under 70kg's, you could ride 20mm tyres. And if your over 100kg, you probably need to ride 25mm tyres.
Anything in between needs a 22/23mm tyre, which is fine for most potholed roads.

But, tyre inflation probably matters more than tyre width in most situations :)
Just pump em up to max inflation once a week (if butyl tubes), or every day or so (if latex tubes), and you should be right.


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PostPosted: Fri Nov 30, 2012 6:51 pm 
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Joined: Fri Oct 28, 2011 3:25 am
Posts: 1311
Location: United Kingdom of Great Britain and Northern Ireland
You are better basing tyre width on what type of road surfaces you ride. After more than 30 years of riding bikes, including competitively, I would not notice the difference between 22 and 23, just like I do not notice the difference between 23 and 25.

Cyclists also 'adjust' comfort by altering the amount of air in their tyres, if you haven't noticed.


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PostPosted: Fri Nov 30, 2012 7:37 pm 
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Joined: Sun Jul 29, 2012 12:49 am
Posts: 454
metal wrote:
Bicycle weight distribution is generally 45/55, Front to Rear, under general steady state rider/riding conditions.
22 goes on front, 23 on rear.

btw, if you weight under 70kg's, you could ride 20mm tyres. And if your over 100kg, you probably need to ride 25mm tyres.
Anything in between needs a 22/23mm tyre, which is fine for most potholed roads.

But, tyre inflation probably matters more than tyre width in most situations :)
Just pump em up to max inflation once a week (if butyl tubes), or every day or so (if latex tubes), and you should be right.



I'm about 75kgs and have used 19/19 with no issues. Tubular tires though -- not sure if that makes a diference.


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PostPosted: Fri Nov 30, 2012 11:12 pm 
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Joined: Tue May 03, 2005 2:20 am
Posts: 5850
Location: Belgium
Hi,

Quote:
Just pump em up to max inflation once a week (if butyl tubes), or every day or so (if latex tubes), and you should be right.


Max inflation being the maximum the manufacturer allows or?

Quote:
I'm about 75kgs and have used 19/19 with no issues. Tubular tires though -- not sure if that makes a diference


19mm, really ?? Does that not expose the sides of the rim? How about rolling resistance?
Or maybe you use the 19mm tyres just on the track....

Remember also that tyre width matters with repect to rim width (as measured at the rim bed). For best aero behaviour it is best practice to mount a tyre on the frontwheel that is equal to or 1mm wider than the rim bed's width.
Since a bike is moved forward by the rear wheel a wider tyre offers better traction (not necessarily better rolling resistance as is often wrongly promotely lately).

Ciao, ;)

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