Tire size for least rolling resistance?

04-05-2004, 11:49 AM

Hello,

I've seen it mentioned that sometimes a wider tire can have less
rolling resistance than the skinny tires that racers use so I was
wondering what tire size would offer the least rolling resistance?

Thanks.

04-05-2004, 12:07 PM

"Chris Hansen" <[Only registered and activated users can see links. ]> wrote in message
news:6902ac92.0404051149.2074b076@posting.google.c om...
>
> I've seen it mentioned that sometimes a wider tire can have less
> rolling resistance than the skinny tires that racers use so I was
> wondering what tire size would offer the least rolling resistance?

It's strongly dependent on pressure. A 25 mm tire at 100 psi can have a lot
lower rolling resistance than a 20 mm tire at the same pressure but the 20
beats the 25 at 150 psi.

That's why 23's and 25's are now the most popular sizes. For the sorts of
pressures that people normally run they are the best compromise.

04-05-2004, 12:07 PM

"Chris Hansen" <[Only registered and activated users can see links. ]> wrote in message
news:6902ac92.0404051149.2074b076@posting.google.c om...
>
> I've seen it mentioned that sometimes a wider tire can have less
> rolling resistance than the skinny tires that racers use so I was
> wondering what tire size would offer the least rolling resistance?

It's strongly dependent on pressure. A 25 mm tire at 100 psi can have a lot
lower rolling resistance than a 20 mm tire at the same pressure but the 20
beats the 25 at 150 psi.

That's why 23's and 25's are now the most popular sizes. For the sorts of
pressures that people normally run they are the best compromise.

04-05-2004, 12:07 PM

"Chris Hansen" <[Only registered and activated users can see links. ]> wrote in message
news:6902ac92.0404051149.2074b076@posting.google.c om...
>
> I've seen it mentioned that sometimes a wider tire can have less
> rolling resistance than the skinny tires that racers use so I was
> wondering what tire size would offer the least rolling resistance?

It's strongly dependent on pressure. A 25 mm tire at 100 psi can have a lot
lower rolling resistance than a 20 mm tire at the same pressure but the 20
beats the 25 at 150 psi.

That's why 23's and 25's are now the most popular sizes. For the sorts of
pressures that people normally run they are the best compromise.

04-05-2004, 01:12 PM

Take a look at this:
[Only registered and activated users can see links. ]

"Tom Kunich" <[Only registered and activated users can see links. ]> wrote in message
news:Z%icc.16054$[Only registered and activated users can see links. ].pas.earth link.net...
> "Chris Hansen" <[Only registered and activated users can see links. ]> wrote in message
> news:6902ac92.0404051149.2074b076@posting.google.c om...
> >
> > I've seen it mentioned that sometimes a wider tire can have less
> > rolling resistance than the skinny tires that racers use so I was
> > wondering what tire size would offer the least rolling resistance?
>
> It's strongly dependent on pressure. A 25 mm tire at 100 psi can have a
lot
> lower rolling resistance than a 20 mm tire at the same pressure but the 20
> beats the 25 at 150 psi.
>
> That's why 23's and 25's are now the most popular sizes. For the sorts of
> pressures that people normally run they are the best compromise.
>
>

04-05-2004, 01:12 PM

Take a look at this:
[Only registered and activated users can see links. ]

"Tom Kunich" <[Only registered and activated users can see links. ]> wrote in message
news:Z%icc.16054$[Only registered and activated users can see links. ].pas.earth link.net...
> "Chris Hansen" <[Only registered and activated users can see links. ]> wrote in message
> news:6902ac92.0404051149.2074b076@posting.google.c om...
> >
> > I've seen it mentioned that sometimes a wider tire can have less
> > rolling resistance than the skinny tires that racers use so I was
> > wondering what tire size would offer the least rolling resistance?
>
> It's strongly dependent on pressure. A 25 mm tire at 100 psi can have a
lot
> lower rolling resistance than a 20 mm tire at the same pressure but the 20
> beats the 25 at 150 psi.
>
> That's why 23's and 25's are now the most popular sizes. For the sorts of
> pressures that people normally run they are the best compromise.
>
>

04-05-2004, 01:12 PM

Take a look at this:
[Only registered and activated users can see links. ]

"Tom Kunich" <[Only registered and activated users can see links. ]> wrote in message
news:Z%icc.16054$[Only registered and activated users can see links. ].pas.earth link.net...
> "Chris Hansen" <[Only registered and activated users can see links. ]> wrote in message
> news:6902ac92.0404051149.2074b076@posting.google.c om...
> >
> > I've seen it mentioned that sometimes a wider tire can have less
> > rolling resistance than the skinny tires that racers use so I was
> > wondering what tire size would offer the least rolling resistance?
>
> It's strongly dependent on pressure. A 25 mm tire at 100 psi can have a
lot
> lower rolling resistance than a 20 mm tire at the same pressure but the 20
> beats the 25 at 150 psi.
>
> That's why 23's and 25's are now the most popular sizes. For the sorts of
> pressures that people normally run they are the best compromise.
>
>

04-05-2004, 01:30 PM

On 5 Apr 2004 12:49:52 -0700, [Only registered and activated users can see links. ] (Chris Hansen)
wrote in message <[Only registered and activated users can see links. ] >:

>what tire size would offer the least rolling resistance?

36" as fitted to the Coker, I should imagine.

--
Guy
===
May contain traces of irony. Contents liable to settle after posting.
[Only registered and activated users can see links. ]

88% of helmet statistics are made up, 65% of them at Washington University

04-05-2004, 01:30 PM

On 5 Apr 2004 12:49:52 -0700, [Only registered and activated users can see links. ] (Chris Hansen)
wrote in message <[Only registered and activated users can see links. ] >:

>what tire size would offer the least rolling resistance?

36" as fitted to the Coker, I should imagine.

--
Guy
===
May contain traces of irony. Contents liable to settle after posting.
[Only registered and activated users can see links. ]

88% of helmet statistics are made up, 65% of them at Washington University

04-05-2004, 01:30 PM

On 5 Apr 2004 12:49:52 -0700, [Only registered and activated users can see links. ] (Chris Hansen)
wrote in message <[Only registered and activated users can see links. ] >:

>what tire size would offer the least rolling resistance?

36" as fitted to the Coker, I should imagine.

--
Guy
===
May contain traces of irony. Contents liable to settle after posting.
[Only registered and activated users can see links. ]

88% of helmet statistics are made up, 65% of them at Washington University