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So riding in the left hand lane country's the camber evens out the wear unless you live on an island and ride anticlockwise then you wear out like in right hand drive country's that do big left arcs and camber for rain roads...……….if your thingamabob isn't worn.
America single handedly wasting 10% of the worlds rubber because they ride on the wrong side of the road.
 

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Sorry Stever all you say is true, except the last sentence. On Florida 2 lane back roads you would be surprised how steep the designed in crown for deluge rain draining is. Here is the litmus test - select a highly crowned road, it's visible to the most casual observer....
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This picture illustrates how road crown can't affect uneven tire wear:


You couldn't walk on a road with the crown illustrated on the left.
 

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Leaving rubber on the hot camber - it happens.

Stever975 I appreciate everything you do as a moderator for all of us here on 1130cc. com and I have learned an unbelieveable quantity of important things about the Revo engine & the V Rod here on the site & continue to do so because of forum members & guys like yourself sharing your hard earned experience. So on this one I really do appreciate you proving in great detail the very point I was making - even on the right "max practical road crown" the majority of the contact patch is left of center, & that does not even take into consideration the necessary leaning to the left or the slight counter steering required to keep the bike from riding down the camber & off the road, or the additional left leaning needed to negotiate a long left turn on a higher camber road. Remember high camber roads don't just go straight. As far as not even being able to walk on the left road crown image I would think if I can walk on the Daytona Super Speedway banks drinking beer I could probably handle that crown. As I agreed to rc4man's post before I am not saying that this is the one single cause of left of center motorcycle tire wear in North America - but it is a contributor, more so than many riders realize, especially on rough, hot pavement like many places here in FL. My auto front end specialist buddy always sets up car and truck front end alignments to gently compensate for road crowns - on flat surfaces they will pull slightly to the left but on an average road crown very little countersteering into the crown is needed - Just saying - :blahblah: :D
 

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I think what stever975 is saying is that to produce the wear srr describes the bike would have to cranked over at 20* if the road were flat,picture that and that is the amount of crowning needed to chop out a tyre which in the real world of course doesn't exist ie:a low car would be bottoming out.
I still think Rusty's geometry is out somehow,tired springs,bent shock bolt or worn out doo da somewhere.
 

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Tassie I don't think you are bouncing 100% on the back seat of the short bus here. Ain't nobody talkin' about chunking out or overheating and melting, peeling out rear tires, like your very nice photo. We are talking about more wear on the front and rear tires, just left of center not cranked over at 30 degrees plus. I just went out and looked at my rear tire and guess what ? Left edge of the center flat area is worn, rounded. As I ride it guess what ? It's not going to grow more rubber, it's going to wear more and eventually will look like my other worn out tires, more worn on the left side, first 1/3 over from the center flat area. Rusty may have something worn or out of alignment compared to what is normal for him, his speeds and his roads though - especially if this is something new that he's seeing. I see it all the time, so it's nothing new or mystical for me. It is what it is. Reference Mike in ATL's nicely worn out rear mountain riding tire previously posted - although that's an extreme example, on Fl. flat lands the wear is not so far over on the carcass, but still easily visible when well worn.
 

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Extra crowning on the road is the part of the equation in dispute.
Rolling wear is minimal on a tyre it is the cornering forces that produce most wear.The crowning would have to be so severe to produce visible wear the road would be undriveable.
 

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More,faster,longer left turns will not cause more left tire wear. OK, RIGHT.

Once again Tassie you are as full of crap as a Christmas goose. "Crowning would have to be so severe to produce visible wear the road would be undriveable." That's very funny ! You must be a budding comedian with stupid immature jokes." It's the cornering forces that produce the most wear " You are correct on that statement, a moment of brillance for you. So if we all here agree that left turns are more common, faster and longer when riding on the right side of the road and you have to lean to the left to make a long fast left turn and all roads have a crown that you have to lean the motorcycle and it's attached wheels with tires into, (and some roads have a lot more crown than others) doesn't it make sense that that area is where the most tire wear will occur ? Should we suspend logic, good reason and actual evidence of this in the thousands of motorcycle tires that are removed with more wear on the left side ? A dozen or so from me ? My rear tire photo, when worn out showing the left wear will be posted here in a few months. Tassie Tony please try to be less emotional and more logic driven. Coming up with your unsubstantiated emotive baloney posts should be embarrassing for you - but I don't think you are at a level to understand that. :banghead: :blahblah: :D
 
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