Author Topic: What tires to get?  (Read 66305 times)

Offline B.D.F.

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Re: What tires to get?
« Reply #140 on: July 28, 2015, 03:29:25 PM »
The Pirelli's have a different, longer- wearing compound on the GT version. Having used both the ST and GT, I found that the GT did last longer but was not as 'grippy'. I should have specified that in my original post and will go back and edit it.

From an article in Cycle World: "Available in 16- and 17-inch sizes, the Angel GT has one spiral steel belt in common with the outgoing Angel ST, but beyond that it’s totally new. As Pirelli explains, most wear occurs as the working surface slows under compression and then accelerates while rotating away from the road. Since physics can’t be changed, the company revised the tire construction to widen and shorten the contact patch for improved wear characteristics.

Grip is a function of the tire carcass conforming to the road surface, and the rubber compound’s ability to cling microscopically to it. Pirelli reports much progress in the formulation of the polymers and silica used to provide cold grip, wet-weather grip and longevity. An improved profile providing a linear transition from straight up to full lean, as well as a grippier tread compound at the sides, further expand the Angel GT’s cornering appetite. "

I am not certain that the same thing applies to Michelins but I believe it does although again, I am not sure. I have not used Michelin GT's and honestly, do not plan on trying them. I believe my next tires will be Michelin PR4's with a -55 series on the rear.

Brian

I thought the sidewalls were stiffer, not that it was a harder compound.
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Offline Gigantor

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Re: What tires to get?
« Reply #141 on: July 28, 2015, 03:36:32 PM »
Many members have thousands of miles on the PR2 and PR3 and prefer them over the PR4

I can't fault Michelin with their sales pitch, but the PR2 thru PR4 are plenty capable for the C14


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Offline connie14boy

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Re: What tires to get?
« Reply #142 on: July 28, 2015, 07:45:31 PM »
The Pirelli's have a different, longer- wearing compound on the GT version. Having used both the ST and GT, I found that the GT did last longer but was not as 'grippy'. I should have specified that in my original post and will go back and edit it.

From an article in Cycle World: "Available in 16- and 17-inch sizes, the Angel GT has one spiral steel belt in common with the outgoing Angel ST, but beyond that it’s totally new. As Pirelli explains, most wear occurs as the working surface slows under compression and then accelerates while rotating away from the road. Since physics can’t be changed, the company revised the tire construction to widen and shorten the contact patch for improved wear characteristics.

Grip is a function of the tire carcass conforming to the road surface, and the rubber compound’s ability to cling microscopically to it. Pirelli reports much progress in the formulation of the polymers and silica used to provide cold grip, wet-weather grip and longevity. An improved profile providing a linear transition from straight up to full lean, as well as a grippier tread compound at the sides, further expand the Angel GT’s cornering appetite. "

I am not certain that the same thing applies to Michelins but I believe it does although again, I am not sure. I have not used Michelin GT's and honestly, do not plan on trying them. I believe my next tires will be Michelin PR4's with a -55 series on the rear.

Brian

The PR4 rear also has rain specific tread pattern that rocks in a 55 profile. I've been doing the twisties and sweepers in the Smoky Mtns. lately, so probably won't get the usual 18-20k out of these sneakers.

Offline madski

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Re: What tires to get?
« Reply #143 on: August 04, 2015, 06:01:03 PM »
Ended up getting a set of PR4 GT's (55 rear) - will see how they work in comparison to the 'stones. 
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Offline Rhino

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Re: What tires to get?
« Reply #144 on: August 05, 2015, 06:22:30 AM »
Ended up getting a set of PR4 GT's (55 rear) - will see how they work in comparison to the 'stones.

I have no doubt as to the outcome  8)

Offline jimmymac

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Re: What tires to get?
« Reply #145 on: August 05, 2015, 07:26:13 AM »
I've got a PR4 in the 55 series showing up today. Going on the ZX14R though. It munched through the rear in 2,000 miles.
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Offline Rhino

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Re: What tires to get?
« Reply #146 on: August 05, 2015, 09:41:43 AM »
I've got a PR4 in the 55 series showing up today. Going on the ZX14R though. It munched through the rear in 2,000 miles.

I have no experience in this but I wouldn't expect them to be nearly as grippy as a true sport tire.

Offline jimmymac

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Re: What tires to get?
« Reply #147 on: August 05, 2015, 03:15:44 PM »
Just back from a quick ride with the new tire. I'll give you 3 guesses how the bike felt. 8)
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sailor_chic

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Re: What tires to get?
« Reply #148 on: August 05, 2015, 05:12:01 PM »
1) Wonderful
2) fabulous
3) superb

I'm guessing all 3

Offline jimmymac

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Re: What tires to get?
« Reply #149 on: August 05, 2015, 05:21:32 PM »
Three out of three!
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sailor_chic

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Re: What tires to get?
« Reply #150 on: August 05, 2015, 05:41:49 PM »
Woo-hoo! And may the next 10k miles be just as good.

Offline stevewfl

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Re: What tires to get?
« Reply #151 on: August 05, 2015, 06:53:04 PM »
The "only" time I run PR4's is when a second best tire just won't do 
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Offline Rhino

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Re: What tires to get?
« Reply #152 on: August 06, 2015, 08:28:22 AM »
Three out of three!

Wow! And on a serious sport bike like a ZX14R! I love them on my C14 but I bet I don't even come close to pushing the limits of the PR4's like you would on a Ninja 14!

Offline jimmymac

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Re: What tires to get?
« Reply #153 on: August 06, 2015, 09:09:57 AM »


The 55 profile seems to change directions easier, of course any tire would feel better than the old one.
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Offline Canada44

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Re: What tires to get?
« Reply #154 on: August 08, 2015, 11:18:00 AM »


The 55 profile seems to change directions easier, of course any tire would feel better than the old one.

Great choice in tires and profile !!
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elp_jc

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Re: What tires to get?
« Reply #155 on: August 08, 2015, 01:19:39 PM »
No need for a 'GT' version unless you ride close to the GVWR (heavy rider, 2-up, etc). It costs more, is heavier, harder to mount (with increased risk of rim gouges), rides harsher, and handles worse if you're an aggressive rider, due to being stiffer. Don't know if compound is different, but it'd be another detriment for aggressive riders if it does. For my 160# and aggressive riding, it's a deal-breaker. And if you don't believe me, just ckeck the weight ratings and you'll see the regular tires are more than enough even for light 2-up riders, especially if not doing triple digits in hot weather. But to each his own ;).

Offline gPink

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Re: What tires to get?
« Reply #156 on: August 08, 2015, 02:09:27 PM »
It costs more, is heavier, harder to mount (with increased risk of rim gouges), rides harsher, and handles worse if you're an aggressive rider, due to being stiffer.

So, you've already tried the GT version? What kind of mileage did you get out of it?

Offline Gigantor

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Re: What tires to get?
« Reply #157 on: August 08, 2015, 03:01:45 PM »
No need for a 'GT' version unless you ride close to the GVWR (heavy rider, 2-up, etc). It costs more, is heavier, harder to mount (with increased risk of rim gouges), rides harsher, and handles worse if you're an aggressive rider, due to being stiffer. Don't know if compound is different, but it'd be another detriment for aggressive riders if it does. For my 160# and aggressive riding, it's a deal-breaker. And if you don't believe me, just ckeck the weight ratings and you'll see the regular tires are more than enough even for light 2-up riders, especially if not doing triple digits in hot weather. But to each his own ;).

Members are still rocking PR2 and PR3 with no issues

GT is just a marketing ploy


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sailor_chic

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Re: What tires to get?
« Reply #158 on: August 08, 2015, 06:45:53 PM »
It costs more, is heavier, harder to mount (with increased risk of rim gouges), rides harsher, and handles worse if you're an aggressive rider, due to being stiffer.

So, you've already tried the GT version? What kind of mileage did you get out of it?

LOL! Yes curious minds want to know

Offline jimmymac

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Re: What tires to get?
« Reply #159 on: August 08, 2015, 06:52:41 PM »
You Goofballs. You have to ride a bike to wear out tires. ::)



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