Sorry to hear of Chuck's jacket damage, as I gave him those tires last winter.  
I used them for years, before getting a new bike on which they wouldn't fit.  I 
noticed the poorer traction on dry pavement, but that seemed a reasonable 
tradeoff.  I never crashed on dry pavement, though I had to be careful, 
especially in the fall right after I put them on.  I started using them before 
the SW path was open, and I had to ride on the street all the time, with those 
treacherous icy tire ruts, which I felt made all those extra studs necessary.  
(Even then, getting out of the ruts was sometimes a problem.)  That's not such 
an issue now that I mostly use the path on my commute.

The narrower studded tires I use now (Nokian Mount and Ground), have two, 
rather than 4 rows of studs.  With the pressure near the maximum (50-60 psi, I 
think), the tires run mostly on the rubber center ridge, with the studs making 
contact only when cornering.  This is a bit scary on ice, so I lower the 
pressure to about 30 psi when it's icy so the studs stay in contact all the 
time.  If I had to ride a lot on icy streets, though, I'd wish I had the 
Extremes.

On Sep 29, 2010, at 10:47 AM, STRAWSER, Charles wrote:

> I have a pair of Nokian Extremes, and I can't really recommend them for
> commuting on mostly streets and paths that are mostly plowed. They have too
> many studs too far out from the centerline (contact patch) of the tire, so
> leaning the bike over even a bit on pavement that is dry (or even dusted with
> a bit of snow) actually gives you considerably LESS traction, since even
> carbide studs don't bite into concrete or asphalt much. Trust me on this. I
> ruined the sleeve/shoulder of a Carhart jacket testing this, and I was lucky
> that's all I ruined.

Scott Ellington
Madison, Wisconsin
USA



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