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tire question
Posted: Wed Jun 28, 2000 4:23 am
by Mark Wilson
I'm mounting up a new front tire, and I noticed a red dot on the tire. Is
that susposed to go near the valve stem????? It's a MT21.. And I didnt see
any arrows for rotation direction, so I guess it dosent matter which way it
goes.
Any advice on the red dot will be appreciated.
Mark Wilson
http://www.geocities.com/motormark64/
http://www.angelfire.com/mo/motormark/
KLR-650 A-13 "warthogg"
XR250R "superfly"
Stone Mountain, Ga
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
tire question
Posted: Tue Jun 26, 2001 1:31 pm
by Eric Knight Holbrook
Will a 140/80 rear tire work on the stock 130/80 rims? I'd really
like to go with a wider rear tire setup, but my dealer knows next to
nothing and I can't find anything online to help me out about larger
rims or much else.
Thanks for your help.
tire question
Posted: Tue Jun 26, 2001 1:46 pm
by Devon Jarvis
Why do you want a bigger rear tire? I know nothing about off-road
riding, I'm currently educating myself by repeatedly lifting my KLR back
onto it's tires. But, on road bikes (unless you're drag racing) fatter
rear tires mess up the handling.
Devon
Eric Knight Holbrook wrote:
tire question
Posted: Tue Jun 26, 2001 2:39 pm
by RM
On Tue, 26 Jun 2001, Devon Jarvis wrote:
>Why do you want a bigger rear tire? I know nothing about off-road
>riding, I'm currently educating myself by repeatedly lifting my KLR back
>onto it's tires. But, on road bikes (unless you're drag racing) fatter
>rear tires mess up the handling.
Let me take a few wild guesses:
1. Smoother ride from increased air volume. More air means more smoosh
when ya hit the rocks. I think that "compliance" might be the
Krok-approved term.
2. Krok could probably give us a long lecture on force vectors and
whatnot, but a larger diameter rear tire will roll over bumps with less
rider disturbance. Imagine a Geo Metro slamming a tire into a 3" rock.
Now picture a Humvee slamming into the same rock. Big wheel rolls over
obstacle easier.
3. More flotation on loose surfaces. A wider rear tire will "float" over
the tops of rocks/roots instead of trying to fall down in between them.
I can tell you from my pedalbike experience that going from a 1.9" to a
2.2" bike tire adds GOBS of stability in the rough stuff. How people ride
around here with these semi-slick 1.9's is beyond me.
4. More resistance to pinch-flatting when pressure is low. Anyone ever
pinch-flatted a rear?
5. (trumps 1-4) - Because it looks goddamn cool. It adds to your style
and sex appeal. It increases your chances of copulating with the opposite
(or same if that's your choice) sex.
RM
tire question
Posted: Tue Jun 26, 2001 3:09 pm
by Dale Johnson
> 4. More resistance to pinch-flatting when pressure is low. Anyone
ever
> pinch-flatted a rear?
--Snip
I think I did, Hey Andy when you kid was changing my rear tire did
you get a look at it? It looked pinched right? It had to holes they
looked like two gashes about 1/2 in apart and about 3/4 of an inch
long, I was hotdoggin in some ROCKS when it happend, the rocks were
BIG.. I was slammin into them seeing how fast I could go through
this "mine" field..
Dale
tire question
Posted: Tue Jun 26, 2001 3:15 pm
by Eric Knight Holbrook
--- In DSN_klr650@y..., Devon Jarvis wrote:
> Why do you want a bigger rear tire? I know nothing about off-road
> riding, I'm currently educating myself by repeatedly lifting my KLR
back onto it's tires. But, on road bikes (unless you're drag acing)
fatter rear tires mess up the handling.
>
> Devon
>
I think RM pretty much hit it dead on in all respects. The Tires on
the KLR are way too skinny for my liking... I'm taking a wild guess
but suspect a wider tire would also wear somewhat slower since the
heat is spread across a bigger surface.
Handling and cornering: It's just a fact that a wider rear tire would
improve traction (to a point of course...). More tire to grip the
road or dirt. Better traction in the rain (again, more tire, more
grip).
I can't see any negative effects of adding a larger tire (again, up
to a point).
Anyway, I got an answer and apparently a 140 will work on the
stock '01 rim. I want to switch over to the Michelin T66 140/80 for
the rear and corresponding front.
tire question
Posted: Tue Jun 26, 2001 3:48 pm
by steve pye
-----Original Message-----
From: Eric Knight Holbrook
To:
DSN_klr650@yahoogroups.com
Date: Tuesday, June 26, 2001 3:31 PM
>Will a 140/80 rear tire work on the stock 130/80 rims?
Yes. I ran a 140/80 Bridgestone Trail Wing for a while. I think this tire is
discontinued now but I had good sucess with it. You might run into some
clearance problems, especially with the stock exhaust.
Steve
A11
tire question
Posted: Tue Jun 26, 2001 4:28 pm
by Devon Jarvis
On a road bike, the profile of the rear tire can affect handling
considerably. Usually the wider the rear tire, the flatter the profile
near the contact patch, and you will need a greater angle of lean to
achieve the same turn radius. This makes the bike less "flickable" in
twisties, ie. you need greater steering effort to turn in.
On the road though, softer compound also means more grip. If you need
the tires to stick better, you can get better handling with the stock
size and a better performing compound. Sorry, this probably rules out
ChengShin, Kenda, etc...
Yes, fat rear tires look cool I agree, on any bike. I have tried
different sizes on identical SR500's, and found that a skinny,
round-profile tire with the stickiest compound you can stand (in terms
of mileage/longevity) works far better for sport riding.
If you never intend sport riding on the road, then by all means put on
the fattest rear tire you can run. It will probably make the bike more
stable at highway speed. It definitely makes it more stable when you're
trying to turn it.
Devon
Eric Knight Holbrook wrote:
>
> --- In DSN_klr650@y..., Devon Jarvis wrote:
> > Why do you want a bigger rear tire? I know nothing about off-road
> > riding, I'm currently educating myself by repeatedly lifting my KLR
> back onto it's tires. But, on road bikes (unless you're drag acing)
> fatter rear tires mess up the handling.
> >
> > Devon
> >
> I think RM pretty much hit it dead on in all respects. The Tires on
> the KLR are way too skinny for my liking... I'm taking a wild guess
> but suspect a wider tire would also wear somewhat slower since the
> heat is spread across a bigger surface.
>
> Handling and cornering: It's just a fact that a wider rear tire would
> improve traction (to a point of course...). More tire to grip the
> road or dirt. Better traction in the rain (again, more tire, more
> grip).
>
> I can't see any negative effects of adding a larger tire (again, up
> to a point).
>
> Anyway, I got an answer and apparently a 140 will work on the
> stock '01 rim. I want to switch over to the Michelin T66 140/80 for
> the rear and corresponding front.
>
> Visit the KLR650 archives at
>
http://www.listquest.com/lq/search.html?ln=klr650
>
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tire question
Posted: Tue Jun 26, 2001 5:19 pm
by Tengai650
At 5:27 PM -0400 6/26/01, Devon Jarvis wrote:
>Sorry, this probably rules out
>ChengShin, Kenda, etc...
OOPS. Don't say "No" unless you know. I take my Kendas and Chengs all
the way to the edge with confidence.
Mark
B2
A2
A3
tire question
Posted: Tue Jun 26, 2001 5:45 pm
by monahanwb@yahoo.com
--- In DSN_klr650@y..., Tengai650 wrote:
> At 5:27 PM -0400 6/26/01, Devon Jarvis wrote:
> >Sorry, this probably rules out
> >ChengShin, Kenda, etc...
>
> OOPS. Don't say "No" unless you know. I take my Kendas and Chengs
all
> the way to the edge with confidence.
> Mark
As do I. The Maxxis 6006s that I use(cheng shins) stick right out to
the edge, nothing to worry about there. Lots of Aprilias and
Ducatis, SuperHawks, et cetera have had to look at the rear tire for
a long wait till a decent straight.
Not too hard to change on the side of the road either, which counts
for a lot, in my travel book.