Front Tire Wear - K-Bikes.com - Excellence in Motion
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post #1 of 13 (permalink) Old Oct 1st, 2008, 11:10 pm Thread Starter
 
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Front Tire Wear

Things have been quiet lately so here's a question to consider.

Ever notice how your front tire wears on the left side more than the right? http://www.k-bikes.com/forums/newthread.php

Some say it is due to wider, longer, arcs when turning left as opposed to right. It is hard to believe I make that many left hand turns. Then again the speed is faster so maybe there is more slip particularly as I go over the crown.

Some say it's due to the crown in the road. I'm not sure the angle is correct. Besides, I've been on roads that are crowned more due to car tires than the lane. The rear tire seems to wear more evenly, as in dead center. Seems to argue that it can't be the crown in the road.

Perhaps the most likely reason is that from going into the corners too fast. But I doubt that my speed is biased based on left or right hand corners.

Ouch, it looks like this question has come up before

Last edited by bmwenchantment; Oct 1st, 2008 at 11:35 pm.
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post #2 of 13 (permalink) Old Oct 2nd, 2008, 2:48 am
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We drive on the other side of the road and the right side of the front goes first

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post #3 of 13 (permalink) Old Oct 2nd, 2008, 12:52 pm
 
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Grade in the road. They're all made with a certain amount of "crowning" so water runs off.

Unless you're in socal, where the potholes hold all the water.
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post #4 of 13 (permalink) Old Oct 2nd, 2008, 3:51 pm
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My front wears on the left too. If it were because of the crown in the road, then all of my bikes should also wear the front tire on the left side. Not so... only my RS.

Here's my theory:

My bike pulls slightly to the right. I've read where this condition is common among RS's. It doesn't pull a lot, but if I let go of the bars, I have to lean way over to the left to compensate to keep going straight. I've also read where the RS is built with the front and rear tires slightly out of line because of the SS swingarm or something. I haven't confirmed this, but this might be why the bike pulls a little.

Regardless of the reason, to compensate for the pull when riding straight ahead, there must always be a little extra pressure on the grip to countersteer against the pulling. This constant countersteer turns the front tire slightly and constantly scrubs the left side a little more than the right.

I didn't research this much on the forums, so I'm sorry if I re-stated what someone else has already said. This isn't stated as fact. Just my possible theory.
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post #5 of 13 (permalink) Old Oct 3rd, 2008, 8:48 pm
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Quote:
Originally Posted by Dadicool59
We drive on the other side of the road and the right side of the front goes first
Thank you. Finally, a real conformation.
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post #6 of 13 (permalink) Old Oct 4th, 2008, 1:09 am
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Quote:
Originally Posted by Berry G
Thank you. Finally, a real conformation.
i second that. what is with all these people in denial or coming up with odd theories? it hasn't happened only on one bike, but on all my bikes. every damn single one of them. and i am honestly able to take faster tighter turns going right. its kinda like every sport you do one better than the other. ie snowboarding, wakeboarding, dribbling a basketball, baseball, football.

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post #7 of 13 (permalink) Old Oct 4th, 2008, 9:30 am
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Quote:
Originally Posted by Dadicool59
We drive on the other side of the road and the right side of the front goes first
Quote:
Originally Posted by Berry G
Thank you. Finally, a real conformation.
Just so we're all on the same page:
Dadicool's comment confirms that the wear is related to which side of the road that we ride on, but it doesn't say anything about why one side wears more than another.
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post #8 of 13 (permalink) Old Oct 4th, 2008, 6:47 pm Thread Starter
 
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Don't mean to beat a dead horse.

But, if that's the case, just curious why the back doesn't wear more on one side?
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post #9 of 13 (permalink) Old Oct 5th, 2008, 2:30 pm
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good point. maybe it is not as noticeable due to a larger contact patch and having a profile that is not as steep as the front.

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post #10 of 13 (permalink) Old Oct 5th, 2008, 9:27 pm
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Quote:
Originally Posted by chuckheinch
what is with all these people ... coming up with odd theories?

Quote:
Originally Posted by chuckheinch
maybe it is not as noticeable due to a larger contact patch and having a profile that is not as steep as the front.
Great theory!
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