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tire noise


mwood7800

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Tyre noise?

 

Really?

 

Never had a boxer but they must be damned quiet for tyre noise to be an issue over engine and wind.

 

Sorry for being unhelpful, but I'm genuinely shocked by the query. It's not something I've ever considered on a road bike. I've always thought my K is quiet, live and learn.

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After a few thousand miles, my PR2s start making noise whenever I am leaned over. Straight and level, they are quiet but as soon as I lean, even a little, I can hear the tire noise. Not problematic however.

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I don't think it is just you. This is my second set of RP2s. As soon as they start to show signs of wear they start to sing. I have noticed though it seems to just be for a phase in their life. Mine did it with about 4000 miles and now with 5000 miles they seem quite again. Of course I may have just learned to ignore it. Also I have an un-baffled Remus muffler and I can hear the tires over that with hearing protection in.

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After a few thousand miles, my PR2s start making noise whenever I am leaned over. Straight and level, they are quiet but as soon as I lean, even a little, I can hear the tire noise. Not problematic however.

 

Ditto. And this is try for the two RTs I've owned. The noise was much louder on a prior bike, A Suzuki V-Strom DL1000. On the RT I just barely notice it............not an issue.

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I have noticed a difference between the louder Metzler Z6 and the quieter Michelin PR2 tires. But it is small enough to be little concern. Both are great tires, but I have over time shifted to the PR2s as they appear to me to slightly edge out Metzler tires in performance and reduced road noise.

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I have noticed a difference between the louder Metzler Z6 and the quieter Michelin PR2 tires. But it is small enough to be little concern. Both are great tires, but I have over time shifted to the PR2s as they appear to me to slightly edge out Metzler tires in performance and reduced road noise.

 

Don't know about PR2s. Recently I replaced the Continental Road Attack front tire on my R1200RT with a Metz Z6 interact. The Z6 is very loud at prox 40MPH. VERY LOUD. Straight ahead or banked.

 

The Road Attack was always quiet. Even at the end (9,000 miles), when it had some strange hills and valleys wear patterns.

Anyone else with noisy front Z6 Interacts?

 

Dmilan

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Mine are noisey too, started a thread about a month ago on it. Not a big deal, but it is there. The performance is outstanding though. And yes, the bike is quiet and smooth enough to pick this up.

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I think the plastic funnels tire noise straight up the forks like a megaphone

 

I believe you are correct. And whether one has a tank bag installed on the tank can modify the sound a lot. Also what helmet....the FF helmets I've worn seem to allow that front noise to come through, the open face helmets not so much. I know; sounds backwards, doesn't it? ;)

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mabey some sort of velt slider for the fork movment in front of the tank? Someone build one and I will try it..

A apron was available for the old (do you remember?) Windjammer fairings to stop the messy water spray coming up from the front wheel. But to stop tire hum? Forgitaboutit...

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Years ago there was a bias ply track tire for cars from B.F. Goodrich (that was famous for the "groove of doom" ). It had a very handy and amusing property of making a low pitched growl when operating at its best, that pitched higher just an instant before the tie was going to lose traction. This extraordinarily rare property in a track tire (most are telling you you're heading for the weeds if they make any sound you can hear in a enclosed cockpit car over the motor) made them very easy to run at the limit even for folks who lacked feel for a vehicle- just drive by sound..

 

Wish my bike tires were that obliging. My PR-2 male a little more tread noise the than RpadSmarts or BT-020s that have also been on the bike but not in a way that is either ueful or annoying- just different.

 

Yes- RTs are quiet enough to hear tires easily.

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CoarsegoldKid
After a few thousand miles, my PR2s start making noise whenever I am leaned over. Straight and level, they are quiet but as soon as I lean, even a little, I can hear the tire noise. Not problematic however.

 

As John says I experienced the same on PR2s. I have experienced this on other brands too.

 

My 2 cents: I discovered that the cause was the non-uniform roundness of the tire after it becomes worn. This is not cupping although many call it that. For whatever reason it happens, I have always thought it was due to low air pressure, the individual tread block squirms or deforms to the point where there is a high area or ridge that forms. This is where I believe the noise is generated. The center of tire does not have this deformation so it's quiet. To confirm this I have shaved off the high ridge area making it uniformly round again. Quiet returns.

One set of tires did not get noisy. What I deducted was that set was run without a passenger or luggage. There was never any need to readjust the air pressure for differing loads. It should also be noted that this set was entirely run on twisty back roads my neck of California is famous for. Never did I run on freeways with these tires. Your mileage may vary.

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You've all got to be kidding here, tire noise? With the buffet of wind and use of ear plugs ,and don't forget after market pipes, I can't hear my tires. These tires are not like some block off-road tire on a four wheeler.

Sounds like the princess and the pea...

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The PR1s I've had are also are pretty noisy for the first few thousand miles, especially when leaning. The RT fairing does funnel the growl up, and I've felt it, too.

 

So I guess we're both oversensitive princesses, Joe.

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I have very little wind noise and no buffeting, Guess that's why I hear the noisy pr2 so much. Big difference in the tire noise after 1000 miles. enough to where its kinda annoying from a once quite ride.

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I have 9000 miles on the current set of PR2, and they have been moaning when leaned since about the 7K mark. Interestingly, I was riding behind a group of Harleys about 200 feet in front, and their bikes were making way more noise than the R1200R or the PR2's.

 

It is almost time for a change, and I am holding out for the release of the PR3 in January which may solve the noise problem.

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I'm on my second set of PR2's. 1st went 10+K miles. The second, I'm not sure. Wearing on the sides due to the lack of long straight miles. Same thing happened to the prior sets of Pirelli Stradas. 1st set 11K miles, second set 4500 miles

I never noticed a sound out any of those tires as the wormed and squirmed to the wear bars.

You guys really don't wear ear plugs or have any wind buffeting on the helmet? You can hear every nuance of of the music you have playing on you radios?

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I'm on my second set of PR2's. 1st went 10+K miles. The second, I'm not sure. Wearing on the sides due to the lack of long straight miles. Same thing happened to the prior sets of Pirelli Stradas. 1st set 11K miles, second set 4500 miles

I never noticed a sound out any of those tires as the wormed and squirmed to the wear bars.

You guys really don't wear ear plugs or have any wind buffeting on the helmet? You can hear every nuance of of the music you have playing on you radios?

 

I usually wear plugs, I don't have music. Noticed a "thrumming" sound from my 1st set of PR's, although I was otherwise very pleased with them. The Conti Road Attack 2's I'm now running were immediately quieter.

We use Dunlop Roadsmarts at work, & they're quieter than the Michelin.

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"Noticed a "thrumming" sound from my 1st set"

 

That wasn't your heart beat pounding in your ears from the thrill of wearing out the edges of the tires and the roads was it? They do work fairly well. :D

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Don_Eilenberger

My 2 cents: I discovered that the cause was the non-uniform roundness of the tire after it becomes worn. This is not cupping although many call it that. For whatever reason it happens, I have always thought it was due to low air pressure, the individual tread block squirms or deforms to the point where there is a high area or ridge that forms. This is where I believe the noise is generated. The center of tire does not have this deformation so it's quiet. To confirm this I have shaved off the high ridge area making it uniformly round again. Quiet returns.

One set of tires did not get noisy. What I deducted was that set was run without a passenger or luggage. There was never any need to readjust the air pressure for differing loads. It should also be noted that this set was entirely run on twisty back roads my neck of California is famous for. Never did I run on freeways with these tires. Your mileage may vary.

I found that besides the noise - they become squirmy on cornering after about 5-6,000 miles. There is a high lumpy ridge that builds up about where the transition from soft (edge) to hard (center) rubber happens. I can REALLY feel when I ride up on that ridge. Happens on both front and rear, and tire pressure doesn't seem to change the behavior. When it gets bad enough - the tires start to howl.

 

I also knock off the ridge.. I use my belt sander and 80 grit belts. If you angle the sander just right, it will slowly rotate the tire (off the ground obviously) while grinding off the ridge. Once the ridge develops - it seems this is needed about every 3,000 miles or so. I currently have 11,500 miles on my current PR2's - rear still has lots of tread, the front is getting close to the wear bars.

 

I'm really waiting for the new Conti-Road-Attack-II's to make it to this shore. They apparently used a different technique to enhance the wear characteristics - a variable carcass of some sorts.. stiffer in the center.

 

YMMV - and I do know people who never have the PR2 ridge problem - but most of them wear out a pair in 4-5,000 miles (they are VERY aggressive riders..)

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"Noticed a "thrumming" sound from my 1st set"

 

That wasn't your heart beat pounding in your ears from the thrill of wearing out the edges of the tires and the roads was it? They do work fairly well. :D

 

They do indeed work fairly well; very well, even. But it was a noticeable noise, absent on the Conti's & the Dunlops. :wave:

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I used to always wear earplugs, on every bike, until I bought my RT and swapped in a CalSci screen. Now I don't need earplugs as the wind noise level is very low -- and the sing of the tires is easy to hear.

 

Yeah, it's quite noticeable.

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Gotta agree with VTBeemer, Had experience with Metz Z6 and they whined from the get go. The Mich's started to 'whir' as they wore. I'm on my 4th set of Cont Road Attacks and LOVE these tires. Quiet, smooth and my RT just falls into the turns. Haven't found anything I want to replace them with yet

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