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"K13S "Tires Different tire-brands and suggestions

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  #1  
Old 07-28-2013, 09:10 PM
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When does the 2013 tire poll start?

I'm almost ready for a new set of skins to replace M3 which have about 4K miles they may have 1000 miles left but I'd want to change them before the next long ride. Z8 and PR3 are the most likely candidates.
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  #2  
Old 07-28-2013, 09:52 PM
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Re: When does the 2013 tire poll start?

Bill:

I just posted that I ordered a set of Q3's for the KS. I just put a set of Q2's on my RR today.

I just don't want to give up traction. If I was going on a long trip then I would put something else on otherwise I'm okay with less miles - all about confidence for me. On the KS I can get 4K - 4.5 K miles out of a set of Q2's hoping the 3's might be a little better.
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  #3  
Old 07-28-2013, 10:02 PM
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Re: When does the 2013 tire poll start?

I put a set of LighTech chain adjusters on today when I changed tires on the RR. Makes adjusting the chain a breeze.

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  #4  
Old 07-28-2013, 11:30 PM
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Re: When does the 2013 tire poll start?

Quote:
Originally Posted by wbmac
I'm almost ready for a new set of skins to replace M3 which have about 4K miles they may have 1000 miles left but I'd want to change them before the next long ride. Z8 and PR3 are the most likely candidates.

Have you looked at the Pirelli Angel GT's?

http://www.motorcycle.com/products/p...iew-91564.html
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Old 07-28-2013, 11:31 PM
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Re: When does the 2013 tire poll start?

The stock M3s have 800 break-in miles (easy) and 3300 secondary road miles (moderate) I'd expect that if used like after break in they'd get 4000 miles. When I get a new bike I tend to put more miles on in the first year so I'd be looking at 3 sets of tires for a season, so a set of tires that got 6-8K miles would be what I'd want and since I am not an aggressive rider I'd like a tire that kept its shape and not get squared off too quick.
I also need to "calibrate" the TPS with my tire gauge because the reason my tires are getting worn in the center could be due to improper inflation. I forgot my tire gage last week and the TPS showed a few pounds less at the end than at the start)
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Old 07-29-2013, 01:43 PM
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Re: When does the 2013 tire poll start?

Quote:
Originally Posted by wbmac
I'd like a tire that kept its shape and not get squared off too quick.
I also need to "calibrate" the TPS with my tire gauge because the reason my tires are getting worn in the center could be due to improper inflation.
You need a dual-compound tire then, like the PR3s (which I now use). I'm on the same boat, since the closest twisties are hundreds of miles away. I do ride aggressively in the twisties, but with the softer (sport) compound on the sides, I have the tires worn to the edges, and zero hiccups. And both center and sides wear at about the same rate, which is ideal. And you can hardly find a tire that will wear out better in the middle. EVERY tire is a compromise of some sort, and in this case, compared to top sport rubber, I might only be giving up a couple of feet on threshold braking at high speed, and not being able to open the throttle as aggressively at deep lean angles, but I absolutely wouldn't be pushing the envelope like that on the streets anyway. Same reason the great majority of cars don't have carbon-ceramic brakes with Brembo 6 and 4-piston calipers and cup tires, and fitted to a Ferrari, Porsche 911 turbo, ZR1, etc. You just don't need that maximum level of performance on the streets. Need to find a happy compromise. In my personal case, with the PR3s, I have none mounted on the K1300S, so plan to keep using them.

As far as TPMS, unfortunately, it doesn't allow you to use the rear tire at any less than 42 psi, at least on my bike. And yes, it reads anywhere from 4 to 8 psi less than actual. I'd like it at 40, since I always ride solo and am only 155#. I use the front at 36, which you don't want any less than that. It cups a little bit more than 38, but I always change the tires in pairs, and at 38, grip is less and front tire wears significantly less than the rear. Therefore, I decided to use it at 36 for best front grip (a rear slide is much easier to control than a front one), and it wears a lot closer to the rear, especially on the sides. And it happens to be BMW's recommendation (36/42 all the time). Good luck.
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Old 07-29-2013, 02:20 PM
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Re: When does the 2013 tire poll start?

Quote:
Originally Posted by elp_jc
As far as TPMS, unfortunately, it doesn't allow you to use the rear tire at any less than 42 psi, at least on my bike...

That may have changed on later models. A couple weeks ago when we arrived in Colorado on our 2011 K1300Ss the TPM was showing 39 PSI on one rear and 38 PSI on the other rear. Neither bike had a low tire warning on the dash.
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Old 07-29-2013, 03:02 PM
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Re: When does the 2013 tire poll start?

Quote:
Originally Posted by Lee
That may have changed on later models. A couple weeks ago when we arrived in Colorado on our 2011 K1300Ss the TPM was showing 39 PSI on one rear and 38 PSI on the other rear. Neither bike had a low tire warning on the dash.
Remember I said TPMS reads from 4 to 8 psi below actual tire pressure man. My rear TPMS goes off at 36, and the tire actually has exactly 42 psi, and I have a very accurate gauge. The front I think goes off at 30 (never happened to me), but typically shows 32, and it's actually 36.

Don't know if BMW eliminated that retarded 'compensating' logic crap on newer bikes, but I really doubt it. I always like to know ACTUAL tire pressures, just like if I'm using a gauge. That's the way it is in almost every freaking car, but BMW always wants to try to reinvent the wheel on everything, just to be different . Maybe other owners who live at different altitudes and milder climates (BMW uses 68ºF and sea-level as 'bases', I believe) have less fluctuation. But one thing is for sure: you need to set tire pressures with a proper gauge, not rely on the TPM readings (they're useless). To me that system is strictly to notify me if a tire is low, that's all. And hate I can't use 40 on the rear, but rather have TPM and use 42. Take care.
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Old 07-29-2013, 03:10 PM
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Re: When does the 2013 tire poll start?

Quote:
Originally Posted by elp_jc
Don't know if BMW eliminated that retarded 'compensating' logic crap on newer bikes, but I really doubt it. .

It's still there on the 2011 and probably on the new bikes. I hope BMW gives up on the compensating setup.
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  #10  
Old 07-29-2013, 08:15 PM
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Re: When does the 2013 tire poll start?

Quote:
Originally Posted by Lee
It's still there on the 2011 and probably on the new bikes. I hope BMW gives up on the compensating setup.

My 2013 K1300S TPMS reads 1psi below my digital gauge. It reads 2psi below my old style slider gauge. The digital gauge says it is accurate to within half a psi. It is cool today compared to when I set my tire pressure so this makes sense.

elevation should mean nothing to the reading as gauge pressure is relative to atmospheric pressure. The only time it will come into play is if you set your pressure say at sea level then ride up to 4000 ft with the same amount of air in your tires. An elevation change of 4000' will increase your tire pressure relative to the atmospheric pressure by about 2PSI (assuming that the tire does not expand, which it could).

Temperature will behave the same way with a difference of about 1psi/10 degrees f. This is why the pressure in your tires increases as you heat them up when riding. I find that my front can increase by 2psi when it heats up, the back by 1.

It would be nice if there was some way to calibrate your TPMS, does anyone know if this is possible?

They must have fixed the system since 2011.
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Old 07-29-2013, 10:39 PM
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Re: When does the 2013 tire poll start?

MY TPM is within 2 psi all the time - I check air pressure before every ride. Some days right from my driveway it reads the same - some days it is 1 or 2 psi low and once the tires get some heat in them goes up to or over by 1 or 2 psi.
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Old 07-30-2013, 10:37 AM
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Re: When does the 2013 tire poll start?

Z8's on for trip to Colorado and back. 3800 miles. Now at 5000 miles. Lots of tread still. Felt confident in twisties, sweepers, freeways, heavy rain in twisties. As long as I can find them at a decent price will be tire of choice , at least for a while...
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Old 07-30-2013, 12:49 PM
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Re: When does the 2013 tire poll start?

Quote:
Originally Posted by K13Mike
elevation should mean nothing to the reading as gauge pressure is relative to atmospheric pressure.
Indeed, but BMW can 'compensate' results any way they want. I read somewhere they used altitude too (bike has a sensor for that for the fuel injection). No other way to explain as much as 8 psi difference from actual.

So your TPM shows only 2psi difference, even when it's well above 68ºF? One way to find out for sure if it's not being 'compensated' is to check the readings before you take off. After several miles, it should read higher than before, as the tire heats up (mine never changes). Maybe BMW fixed the system in newer bikes. Or at least made it less idiotic than before . And NO, there's no way to recalibrate the darn thing.
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Old 03-12-2014, 11:40 PM
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Re: When does the 2013 tire poll start?

I've decided to go with a set of Pirelli Angel GTs. I have a question about "A Spec" - variation for heavier bikes. Does anyone know if it is marked on the tire? I just found out that the shop that put tires on my Laverda left out the tubes - its worked out but... I want to be very specific when I tell them what to order...and know I got what I asked for.
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Old 03-13-2014, 12:04 AM
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Re: When does the 2013 tire poll start?

Quote:
Originally Posted by wbmac
I've decided to go with a set of Pirelli Angel GTs. I have a question about "A Spec" - variation for heavier bikes. Does anyone know if it is marked on the tire? I just found out that the shop that put tires on my Laverda left out the tubes - its worked out but... I want to be very specific when I tell them what to order...and know I got what I asked for.
Good choice! That very likely will be my next tire for my KRS.

Beech, you need to start another poll!
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Old 05-09-2014, 06:42 AM
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Re: When does the 2013 tire poll start?

My Q3's on my KS lasted exactly 3K miles - well not true - they were really done about 2.5K miles but I was at the BRPR and had a set of PR4's at home so did something I never do I got every bit out of the tire.

Even though I really like the performance of the tire - that low mileage on my KS is not okay. I can accept that on my RR but for my KS this is crazy.

I ran Q2's on my K1200S and consistently got about 4.5K miles out of them - I was okay with that.

Really hoping I can get at least 5K miles out of the PR4's. And that I don't perceive any lack of performance.
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Old 05-10-2014, 08:23 PM
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Re: When does the 2013 tire poll start?

I'm going to try a set of Rosso II's

I'm hoping for great grip and around 3500 miles or so
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