Best pressure for a worn studded tire?
12-28-15 | 12:43 PM
#1
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Joined: Dec 2006
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From: Williamston, MI "Wee-um-stun"
Bikes: Uh... road, mtb, tour, CX (kludged), 3spd, 'bent, tandem, folder (the fam has another, what, 8)
Best pressure for a worn studded tire?
I have a friend who inherited a set of 35mm studded tires. The guy who had them was heavy and retired them due to wear. She is light and I'm hearing the studs studding as she rides -- there's enough stud left to do something for her, it seems.
What's a good way to make sure that semi-worn studs "activate" while riding? Should she increase the air-pressure to maximize the amount the studs pop out?
Or does icy nasty riding want a softer tire?
Like today is a TOTAL ICE RIDING DAY. Freezing rain. Well, some slop, too.
She's commuting and new to studs and ice. Using an old sport-tour bike.
So I'm curious...
What's a good way to make sure that semi-worn studs "activate" while riding? Should she increase the air-pressure to maximize the amount the studs pop out?
Or does icy nasty riding want a softer tire?
Like today is a TOTAL ICE RIDING DAY. Freezing rain. Well, some slop, too.
She's commuting and new to studs and ice. Using an old sport-tour bike.
So I'm curious...
12-28-15 | 01:52 PM
#2
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Joined: Jun 2010
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From: NW,Oregon Coast
Bikes: 8
(Sew Up) Glue 1 bead to the rim and you can run them pretty soft and the tire won't creep around the Rim . (& shear off the stem from the tube)
tungsten steel studs outwear the rubber they are put into .. Note the car studded tires ..
my Suomi-Nokian studded tires are still serviceable in their 20th winter,, a long wearing rubber* , and not needing them 25% of every year helps.
I mounted to a 45 wide rim so 26-1.9 tire takes on a pronounced D section putting the studs closer to the Pave
in a reasonable rolling pressure .
* I Toured on a non studded 622-40 tire from the same company, a year of riding and they still look like new.
tungsten steel studs outwear the rubber they are put into .. Note the car studded tires ..
my Suomi-Nokian studded tires are still serviceable in their 20th winter,, a long wearing rubber* , and not needing them 25% of every year helps.
I mounted to a 45 wide rim so 26-1.9 tire takes on a pronounced D section putting the studs closer to the Pave
in a reasonable rolling pressure .
* I Toured on a non studded 622-40 tire from the same company, a year of riding and they still look like new.
Last edited by fietsbob; 12-28-15 at 02:04 PM.
12-28-15 | 01:59 PM
#3
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Joined: Jun 2007
Posts: 8,101
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From: Minneapolis
What brand are they? Most quality brands use "carbide tipped" studs which will last a long, long time. The tires may very well be just fine. If they use a cheaper type of stud, then if they're aren't already worn out, they will be soon.
As far as which pressure is best, it depends on where on the tire the studs are placed. Many tires arrange the studs so that they are off-center to a certain degree. On those tires, higher tire pressure keeps the studs farther away from the road surface. It's nicer for when the roads are clear or mostly clear. On days with more ice and/or snow, you want to lower the pressure.
As far as which pressure is best, it depends on where on the tire the studs are placed. Many tires arrange the studs so that they are off-center to a certain degree. On those tires, higher tire pressure keeps the studs farther away from the road surface. It's nicer for when the roads are clear or mostly clear. On days with more ice and/or snow, you want to lower the pressure.
12-28-15 | 09:38 PM
#4
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Joined: Jul 2008
Posts: 6,431
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From: Minneapolis, MN
On other studded tires - like Schwalbe and 45nrth - less pressure in the tires means more studs on the ground, more pressure means fewer studs on the ground. So I would lean towards having less pressure in the tire.
