Optimal Tire Pressure for Studded Tires (nokian HAKKA WXC300)



H

HKEK

Guest
Is there an effect of tire pressure on loss/retention of studs? I
understand that it is not unusual to lose studs, this information is
from the Nokian website:

"You still might loose couple of studs during the normal use due to
great friction, but that won't effect tyre performance."

If I want to minimize loss of studs, should I run high pressure, low
pressure, something in mid-range, or is there no effect of pressure? --
Thanks!
 
C

Charles Beristain

Guest
On 26 Dec 2004 13:35:20 -0800, "HKEK" <[email protected]> wrote:

>Is there an effect of tire pressure on loss/retention of studs?


the studs do not go thru the tire body.. so no loss of air from the
lost stud holes.


>If I want to minimize loss of studs, should I run high pressure, low
>pressure, something in mid-range, or is there no effect of pressure? --



first.. make sure you "break in" the tires... the specs say to ride
30km on roads to "set the studs".

Then the tire pressure one rides with is dependent upon the
conditions. ..
On frozen ponds and stream beds, I use about 30 psi. On snowy single
track I run about 20psi. in deep snow conditions I run 10psi.

I run with extra wide rims ( 44cm) so you may not be able to run with
the ultra low pressures without pinch flatting and cutting the
sidewalls.

When it comes to losing studs.. it is usually the back wheel.. and
usually when riding on rocky surfaces with lots of torque. The nokian
extremes are not as susceptible to stud loss. I ran them for over 3
years and only lost 10-12.. whereas with WXC 300's with the aluminum
jackets, I lost over 20 the first year I ran them. many spots with 4
in a row missing.

charlieb in ct

charlieb in ct.

>Thanks!
 
H

HKEK

Guest
These are my first studded tires and I like them, I did some road miles
with them and then I hit the smooth ice. I put a lot of air in them
(~60 PSI) as they are rather narrow and I thought the studs would be
less likely to pull out.

My understanding is that studs are lost under high braking conditions
on rock. I would imagine that studs might be lost when the tire gets
pinched between rocks. Is this accurate?

I wanted light weight tires, but I also wanted tungsten carbide studs
and a high number of studs.

Seems that there could be a whole range of designs with the stud
variables (number, jacket material, length) and tire construction
(armid bead, wire bead, skin wall, protected wall). Due to the cost, I
was hoping that these would last a lifetime. However, I like them so
much that I actually look forward to the time when I get my next set,
although I hoping for a few seasons and maybe a 1000 trail miles per
set.

Can lost stud be replaced?

Thanks!

Charles Beristain wrote:
> On 26 Dec 2004 13:35:20 -0800, "HKEK" <[email protected]> wrote:
>
> >Is there an effect of tire pressure on loss/retention of studs?

>
> the studs do not go thru the tire body.. so no loss of air from the
> lost stud holes.
>
>
> >If I want to minimize loss of studs, should I run high pressure, low
> >pressure, something in mid-range, or is there no effect of pressure?

--
>
>
> first.. make sure you "break in" the tires... the specs say to ride
> 30km on roads to "set the studs".
>
> Then the tire pressure one rides with is dependent upon the
> conditions. ..
> On frozen ponds and stream beds, I use about 30 psi. On snowy single
> track I run about 20psi. in deep snow conditions I run 10psi.
>
> I run with extra wide rims ( 44cm) so you may not be able to run with
> the ultra low pressures without pinch flatting and cutting the
> sidewalls.
>
> When it comes to losing studs.. it is usually the back wheel.. and
> usually when riding on rocky surfaces with lots of torque. The nokian
> extremes are not as susceptible to stud loss. I ran them for over 3
> years and only lost 10-12.. whereas with WXC 300's with the aluminum
> jackets, I lost over 20 the first year I ran them. many spots with 4
> in a row missing.
>
> charlieb in ct
>
> charlieb in ct.
>
> >Thanks!
 
A

A Muzi

Guest
-snip-
HKEK wrote:
-snip-
> Can lost stud be replaced?


Yes, most places that sell the tires have extra studs (we
have 'em in various styles/counts). The tires are molded
with extra holes so you can either add more studs, replace
lost ones or add a new sharper row after your first studs
are worn.

--
Andrew Muzi
www.yellowjersey.org
Open every day since 1 April, 1971
 
C

Charles Beristain

Guest
On Wed, 29 Dec 2004 21:23:31 -0600, A Muzi <[email protected]>
wrote:

>
>Yes, most places that sell the tires have extra studs (we
>have 'em in various styles/counts).


do you have replacement studs for wxc300's? How does one insert a
replacement stud into an existing hole that once held a stud?

after 4 rides, i'm already missing 20 studs.. My previous wxc300 rear
tire was missing 25% of the studs after one season... I don't seem to
have this problem with extermes.

charlie
 
H

HKEK

Guest
OUCH!-OUCH!-OUCH!

I just took a look at my tires. After 1 snow ride of 7 miles: 1 stud
missing form the front and 22 studs missing from the rear. That really
SUCKS! At $125 per tire, I expect more. At that rate, these tires
should be good for about 100 miles and all the stud could be gone.

Al, can you quote me a price on some replacement studs.
Charlie, what tires do you recommend?
Nokian, you will be hearing from me.

Charles Beristain wrote:
> On Wed, 29 Dec 2004 21:23:31 -0600, A Muzi <[email protected]>
> wrote:
>
> >
> >Yes, most places that sell the tires have extra studs (we
> >have 'em in various styles/counts).

>
> do you have replacement studs for wxc300's? How does one insert a
> replacement stud into an existing hole that once held a stud?
>
> after 4 rides, i'm already missing 20 studs.. My previous wxc300 rear
> tire was missing 25% of the studs after one season... I don't seem to
> have this problem with extermes.
>
> charlie
 
H

HKEK

Guest
OUCH!-OUCH!-OUCH!

I just took a look at my tires. After the first snow ride (7 miles), 1
stud is missing from the front and 22 studs are missing from the rear!
That really SUCKS! And I was taking it easy because I was concerned
about losing studs.

At $125 per tire, I expect more. At that rate, these tires should be
good for about 100 miles and all the studs could be gone.

Andrew, can you quote me a price on some replacement studs?
Charlie, what other tires would you recommend?
Nokian, you will be hearing from me.
 

Similar threads