Unusual wear on Michelin Comm II - Road Glide Forums
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post #1 of 29 (permalink) Old 04-16-2015, 06:07 PM Thread Starter
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Unusual wear on Michelin Comm II

I noticed some unusual wear on my rear tire. It's a Michelin Comm II with about 14,000 miles on it. I have a 2-1 pipe and carry more weight in the right saddle bag than the left. So I would think the wear would be more on the right side but it isn't. I've done very little research and have come up with only a few ideas.

One was the weight distribution which I don't think is the reason.

The second was that roads are made with a crown in the center for water run off. This causing the bike to have more friction on the left side. Again I don't agree with this theory.

Lastly that left hand turns are generally taken at higher speeds. Not counting twisties right hand turns are generally tighter. This is the only one the half ass makes sense to me. I do believe I take left hand turns more aggressively. I also have the pipe hanging on the right side where I might not lean as much.





Anyway has anyone seen this kind of wear. Any thoughts as to a cause. I will be replacing the rear with another Michelin Comm II. It rode very well and I think the milage was good too. Wondering how much more I could've gotten had it worn evenly.

BTW I regularly check the air pressure so that's not the cause.

2012 RGC aka Black Sassy, Vivid Blk, 12" Drk Wind Splitter, V&H Chrome Pro Pipe 2-1, SE AC, TTS, Drago 580 cams, WO612 Outlawz, CM 21/17 Raiders, Monotubes -2 and 444's 11.5". Willie G Theme
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Last edited by mjsdouble; 04-16-2015 at 06:13 PM.
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post #2 of 29 (permalink) Old 04-16-2015, 06:50 PM
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I think the crown in the road makes a difference, although that is a lot of wear on the left side. You're always leaning the bike into the crown to remain vertical. The few trikes that I've ridden made me feel like I was riding on a tilt.

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post #3 of 29 (permalink) Old 04-16-2015, 06:55 PM
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Wow I've never seen that... I've gone through several CII's and they've all worn normally. I'm no expert, but am thinking maybe the rear tire was not aligned properly... but that's just a wild guess with no basis of knowledge whatsoever.

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post #4 of 29 (permalink) Old 04-16-2015, 07:00 PM
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I think it wore down faster due to the turn theory. Either that or someone been riding on a circular racetrack.

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post #5 of 29 (permalink) Old 04-16-2015, 07:14 PM
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I'm leaning towards the misalignment theory as well. How does she track at speed? does she lean towards the left or right. Very few bikes I've ridden over the years track true.

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post #6 of 29 (permalink) Old 04-16-2015, 07:28 PM
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Didn't say if the previous tire "did"? Tracking wise--ride with no hands?

Could (to me) just be your throttle is on the right
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post #7 of 29 (permalink) Old 04-16-2015, 07:38 PM Thread Starter
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I've haven't noticed anything different. I ran 2 sets of Metzlers before this and was only getting about 10k miles. I ran the Dunlops before those. I can take my hands off the bars and the bike runs true.

2012 RGC aka Black Sassy, Vivid Blk, 12" Drk Wind Splitter, V&H Chrome Pro Pipe 2-1, SE AC, TTS, Drago 580 cams, WO612 Outlawz, CM 21/17 Raiders, Monotubes -2 and 444's 11.5". Willie G Theme
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post #8 of 29 (permalink) Old 04-16-2015, 07:44 PM
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I think there was an article in either Cycle World or Rider magazine that addressed that issue. Possibly you could find it if you can search their archives. Google might do it.

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post #9 of 29 (permalink) Old 04-16-2015, 07:49 PM
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That is crazy. I've never seen a tire like that. It's easy to blame the lefty theory. Keep us informed if you ever figure it out. Good luck.


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post #10 of 29 (permalink) Old 04-16-2015, 07:55 PM Thread Starter
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Quote:
Originally Posted by bucketlisthd View Post
I think there was an article in either Cycle World or Rider magazine that addressed that issue. Possibly you could find it if you can search their archives. Google might do it.
Thanks. I will try searching for the article.

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Originally Posted by Hillglide View Post
That is crazy. I've never seen a tire like that. It's easy to blame the lefty theory. Keep us informed if you ever figure it out. Good luck.
Will do

2012 RGC aka Black Sassy, Vivid Blk, 12" Drk Wind Splitter, V&H Chrome Pro Pipe 2-1, SE AC, TTS, Drago 580 cams, WO612 Outlawz, CM 21/17 Raiders, Monotubes -2 and 444's 11.5". Willie G Theme
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