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Old 03-21-2012, 06:27 PM   #91
rotten
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Good point Road Crown and distance traveled. All very logical reasons for left side tire wear. Thanks...
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Old 03-21-2012, 10:41 PM   #92
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Quote:
Originally Posted by PFFOG View Post
A whole can of worms of opinions here, but it is a FACT that left turns are LONGER than rights, ALWAYS. So you are leaning longer and going faster thus scrubbing off more rubber.

Other factors may contribute, but this one is indisputable.
Yeah, but when I see tires like this, I think "track day":

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Old 03-22-2012, 05:24 AM   #93
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I would hope that the trackday organizers would boot you off the track long before your tire looked like that.
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Old 03-22-2012, 07:38 PM   #94
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Quote:
Originally Posted by rocker59 View Post
Yeah, but when I see tires like this, I think "track day":
Beats the hell out of "freeway day."

It's a dual compound tire and that tire saw a lot of twisties. I'd rather wear out the sides than the middle.
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Old 03-22-2012, 09:01 PM   #95
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Quote:
Originally Posted by duck View Post
Beats the hell out of "freeway day."

It's a dual compound tire and that tire saw a lot of twisties. I'd rather wear out the sides than the middle.
Mission accomplished.

Good luck wearing through the center of a PR2 that you keep up with the pressure on though. I think mine made it something like 10,000 miles commuting 90 miles a day straight up and a down on a divided four lane.

I chew the right side of my track bike tires faster than the right, that is because both tracks at NJMP are all right turns.
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Old 03-23-2012, 07:26 AM   #96
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Beats the hell out of "freeway day."

It's a dual compound tire and that tire saw a lot of twisties. I'd rather wear out the sides than the middle.
I'm with you.

My point was simply that when I've seen tires worn heavily on one side, that tire had seen a trackday.

When I've seen tires worn like that, they've seen a trackday.

I don't really buy the "left turns are longer than right turns" theory of left-side tire wear.
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Old 03-23-2012, 02:59 PM   #97
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Quote:
Originally Posted by rocker59 View Post
I don't really buy the "left turns are longer than right turns" theory of left-side tire wear.
Ever take high school math?

Consider two turns of 90 degrees, one left and one right, on a road where we ride/drive on the RH side. A 90 degree left turn has a larger radius compared to the right turn.

A circle of larger radius has a greater distance around the circumference. 90 degrees is simply part of a circle, hence the distance to turn 90 degrees is longer.

The complication of crossing opposing traffic is what increases the radius. The RH turn keeps us in one lane to turn 90 degrees. The LH turn has to cross the width of the opposing lane to complete a 90 degree turn, making the distance traveled further for the LH turn.

Any turn is part of a circle so the distance is always longer if the radius is greater - no matter if the turn is a barely discernable kink or a 360 circle as long as the roadway is divided and you must stay in one lane or the other. One rider travels a shorter distance to make the turn compared to the other.

If this does not still become clear, consider runners at a track meet where the course is an oval - two straights connected by two 180 degree turns. The runner that draws the inside lane starts further back from the runner that drew the far outside lane. During the first turn runners have to stay in their lane in order for all lanes to have the same distance to run. The inside lane has a smaller radius so the runner starts further back to even the distance compared to the outside lane runner.
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Old 03-24-2012, 11:49 AM   #98
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I guess I should dig out the old pictures of my Dragon GTS front tire, worn bald on the RIGHT SIDE...

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Old 03-25-2012, 11:12 AM   #99
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Originally Posted by rocker59 View Post
I'm with you.

My point was simply that when I've seen tires worn heavily on one side, that tire had seen a trackday.

When I've seen tires worn like that, they've seen a trackday.

I don't really buy the "left turns are longer than right turns" theory of left-side tire wear.
Part of it is the bike too. It's not perfectly balanced. My previous K100RS4V burned up the left side first as well.
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Old 03-27-2012, 05:57 AM   #100
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The left sides of my tires always wear faster than the right - road crown and the fact that lefts have a greater radius, are two inherent reasons.... There are other "preference" reasons for me (and I think also for others, if subconsciously) that allow me to push left handlers much harder than right handers.

In right hand side drive countries, comparing the same corner taken as a left hander, and from the opposing direction as a right hander, the right hander:

- is always sharper
- is almost always blinder
- much more likely to have opposing traffic crossing the double yellow
- more likely to have sand/gravel in it
- more likely to result in death, if I should be so luckly as to go down and slide across opposing traffic

In short..... Don't FUCK with right handers.

Course, YMMV
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Old 03-27-2012, 07:00 PM   #101
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In short..... Don't FUCK with right handers.
I tell all my southpaw acquaintances that!

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Old 03-30-2012, 06:31 AM   #102
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Every time I stray from Michelins I wish I would have been faithful. Prob a personal preference, but every one I've used from the Pilot Powers on sport bikes to the PRs on the STs have been just awesome tires.
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Old 03-30-2012, 12:47 PM   #103
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I just got a brand new set of Pilot Road II's installed, only have 50 miles on them so too soon to tell. But I have high hopes then last. :)
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Old 08-16-2012, 12:40 PM   #104
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Sure wish there was a formal sport-touring tire review somewhere that had mileage as a primary focus. My Buell Ulysses is showing just over 12K on the odo, and it's well into its 4th set of tires (stockers, Pirelli Angels, PR2s and PR3s). I was figuring on getting 8, maybe 9K on the last set of PR2s, and was shocked to realize I'd worn it down to the cord after not much more than 3K! I ride briskly in the mountains a lot, but I'm not seriously fast and I don't slide tires or do wheelies or stoppies. Now I'm looking at the rear PR3 and wondering if it'd be OK for my planned 1K ride this weekend?

I'd read that the BT-023s were better than average for mileage, but I see contradicting stories here and there. There's a GT version of the 023s for heavier bikes, but I don't know if that would improve mileage. I get a lot better mileage out of the Avon Cobras on my thousand pound Goldwing---I'd spoon those on the Uly if they made them in the right sizes. Some folk report well over 10K on their sport-touring tires----I guess the asphalt must be 'softer' where they ride...
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Old 08-16-2012, 12:50 PM   #105
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Just put a new PR3 on the front just have 800 miles so far and Zero complaint.
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