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Continental Top Touring 2000 Tires - Mounting Direction Question
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GYXU > Cycling > Continental Top Touring 2000 Tires - Mounting Direction Question 30 March 2005 18:32:10

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Continental Top Touring 2000 Tires - Mounting Direction Question

George Karabotsos 29 March 2005 05:03:18
 Hello all,

I bought two Contis Top Touring 2000 tires and I have a question on the
direction I should mount them on the rims. On the left side of the tire
there is the following inscription: REAR WHEEL <-- | --> FRONT WHEEL.

In other words there is an arrow pointing counter-clockwise to the right
of "REAR WHEEL" and another arrow pointing clockwise to the left of the
"FRONT WHEEL".

Now to the question: What does this mean? Does it mean I have to mount
them on the direction of the arrow based upon which wheel I place the
tire? I know it seems obvious, but I just want to make sure. This is
the first time I have seen such a tire inscription.

TIA,

George
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John Henderson 29 March 2005 05:43:25 permanent link ]
 George Karabotsos wrote:
I bought two Contis Top Touring 2000 tires and I have a> question on the direction I should mount them on the rims.> Onthe left side of the tire there is the following> inscription: REAR WHEEL <-- | --> FRONT WHEEL.>
In other words there is an arrow pointing counter-clockwise to> the right of "REAR WHEEL" and another arrow pointing clockwise> to the left of the "FRONT WHEEL".>
Now to the question: What does this mean? Does it mean I> have to mount them on the direction of the arrow based upon> which wheel I place the tire? I know it seems obvious, but I> just want to make sure. This is the first time I have seen> such a tire inscription.

They should be mounted so that they rotate in the direction
indicated by the relevant arrow. This may marginally improve
rolling resistance, taking account of the differences between a
driving and a driven wheel

John
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Bonehenge 29 March 2005 05:45:57 permanent link ]
 On Tue, 29 Mar 2005 11:43:25 +1000, John Henderson
<jhenRemoveThis@tal­k21.com> wrote:
They should be mounted so that they rotate in the direction>indicated­ by the relevant arrow. This may marginally improve>rolling resistance, taking account of the differences between a>driving and a driven wheel

Why?

Barry
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John Henderson 29 March 2005 05:55:14 permanent link ]
 Bonehenge wrote:
They should be mounted so that they rotate in the direction>>indicate­d by the relevant arrow. This may marginally improve>>rolling resistance, taking account of the differences between>>a driving and a driven wheel>
Why?

See http://www.schwalbe­.com/index.pl?punkt=­264 under "Direction
arrows" and "Rolling direction".

John
Add comment
Jobst Brandt 29 March 2005 06:42:34 permanent link ]
 George Karabotsos writes:
I bought two Contis Top Touring 2000 tires and I have a question on> the direction I should mount them on the rims. On the left side of> the tire there is the following inscription: REAR WHEEL <-- | -->> FRONT WHEEL.
In other words there is an arrow pointing counter-clockwise to the> right of "REAR WHEEL" and another arrow pointing clockwise to the> left of the "FRONT WHEEL".
Now to the question: What does this mean? Does it mean I have to> mount them on the direction of the arrow based upon which wheel I> place the tire? I know it seems obvious, but I just want to make> sure. This is the first time I have seen such a tire inscription.

Just forget the whole thing. This is a gimmick of the tire folks who
introduce this concept at various times. That agricultural tractor
tires have a preferred direction of the chevrons is clear. It only
has an effect if the tractor spins its wheels in soft dirt where
orientation of the V-shaped tread helps clear soil from the tread by
the chevrons digging point first.

Directional tread was touted for motorcycles about 30 years ago, cars
have done it recently with V-shaped "water displacement" grooves, so
bicycles have picked that up, not to be left behind in a good ploy.
It has no beneficial effects on cars according to independent test
done by Auto Motor & Sport magazine, and because I followed that when
motorcycles did it, I am sure it has no effect on bicycles either.

Jobst.Brandt@stanfo­rdalumni.org
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Rick Warner 30 March 2005 18:32:10 permanent link ]
 On 29 Mar 2005 14:44:31 -0800, datakoll@yahoo.com wrote:
installed Conti's way, the bike under touring loads will better handle

Not in my experience. A framebuilder installed mine backwards, I
decided it was not worth changing, did 5000+ miles before switching
front/replacing rear. No noticable difference, even with heavy loads.

- rick
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GYXU > Cycling > Continental Top Touring 2000 Tires - Mounting Direction Question 30 March 2005 18:32:10

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