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Old 04-28-2008, 10:35 PM   #1
adam_sean
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Lightest tires for 1K????

What are the lightest tires in the stock size for a GSXR-1000? It is time for tires and I am on the street, not the track. I live in Florida so turns aren't super important but rotating mass is!
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Old 04-29-2008, 04:07 AM   #2
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Re: Lightest tires for 1K????

..................get some lighter wheels instead
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Old 04-29-2008, 04:16 AM   #3
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Re: Lightest tires for 1K????

Ummmm, what??? IF i where to guess, i would say the narrowest tire you could fit on the rim(170 maybe) and with the least tread on it. This seems like a strange Q.
I dont think anyone weighs the tires. I think the weight of the tires in the same size are more or less the same. I also live in Fl and got some 2ct's. And if you think there no good roads in FL, you should look a little harder, i find them just fine.
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Old 04-29-2008, 04:24 AM   #4
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Re: Lightest tires for 1K????

Quote:
Originally Posted by adam_sean View Post
What are the lightest tires in the stock size for a GSXR-1000? It is time for tires and I am on the street, not the track. I live in Florida so turns aren't super important but rotating mass is!

fill them with helium.
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Old 04-29-2008, 04:25 AM   #5
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Re: Lightest tires for 1K????

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Originally Posted by COMEBACK View Post
..................get some lighter wheels instead
+1
or wave discs
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Old 04-29-2008, 09:12 AM   #6
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Re: Lightest tires for 1K????

Dunlops tend to be the heaviest. Pirellis are light. There is significant difference in tire weight. See if you can find one of the old posts where someone put up a copy of a tire review. Might have the weight of the tires in it.
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Old 04-29-2008, 09:18 AM   #7
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Re: Lightest tires for 1K????

Use some 180/55 SC pros. They are going to work better than a 190/50 and be lighter as well. While Pirelli doesn't publish street tire weight the DC3 is heavy enough to be felt when holding them with a SC Pro. Also a set of take offs will be even lighter since the side rubber will be less.
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Old 04-29-2008, 10:14 AM   #8
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Re: Lightest tires for 1K????

Quote:
Originally Posted by adam_sean View Post
What are the lightest tires in the stock size for a GSXR-1000? It is time for tires and I am on the street, not the track. I live in Florida so turns aren't super important but rotating mass is!

Why are you concerned then if it is as you say, for the street and riding in straight lines? If anything, lighter weight tires would be a bigger concern for someone that needs to corner better.
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Old 04-29-2008, 08:40 PM   #9
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Re: Lightest tires for 1K????

IF you're not carving much, go with some SC2/3 Take-offs, much cheaper than new and will last just about as long and will be lighter for sure. I always run take-offs on the commuter...
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Old 04-29-2008, 10:36 PM   #10
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Re: Lightest tires for 1K????

There is good science in this.

Light weight wheels make a significant difference to a bikes acceleration.

One of the reasons the BST's are so good is not just that they are light but the rim is light (where another wheel may be nearly as light but it's heavier in the rim and lighter in the hub)

The light rim is better as it makes more difference to the moment of inertia.

In simple terms, the further from the axle the weight is the more effort required to get it spinning.

This makes the tyres even more important.

The tyre is even further away from the center of the wheel so any weight reduction is even more significant than the wheel.

Obviously there needs to be a decent amount of weight difference but I'd be interested to see if some tyres are significantly lighter than others.
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Old 04-30-2008, 04:11 AM   #11
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Re: Lightest tires for 1K????

Quote:
Originally Posted by Stocky View Post
There is good science in this.

Light weight wheels make a significant difference to a bikes acceleration.

One of the reasons the BST's are so good is not just that they are light but the rim is light (where another wheel may be nearly as light but it's heavier in the rim and lighter in the hub)

The light rim is better as it makes more difference to the moment of inertia.

In simple terms, the further from the axle the weight is the more effort required to get it spinning.

This makes the tyres even more important.

The tyre is even further away from the center of the wheel so any weight reduction is even more significant than the wheel.

Obviously there needs to be a decent amount of weight difference but I'd be interested to see if some tyres are significantly lighter than others.
It is nice to see an intelligent response. Moment of inertia is critical to acceleration. Rotational mass is more important than static mass and yes the farther from the center of rotation, the more critical. Also, tires don't all weight the same, I just don't have the resources to purchase numerous sets and put them on a scale. I don't want take offs so that is out. Wheels might come later but right now, I am a couple of rides from needing a new set of buns and thought that for the street, in my part of Florida (or my riding style), the actual compound / brand is not as important to me as weight of the tire. About 10 years ago when I was just getting started with sport bikes (900RR when it was new and fast not a stunta byke) Pilots were over a pound less than the competition for both front and rear. That is two pounds of rotating mass that is way out from the center.
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Old 04-30-2008, 04:14 AM   #12
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Re: Lightest tires for 1K????

Someone must have weighed some tyres somewhere along the line
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Old 04-30-2008, 11:23 AM   #13
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Re: Lightest tires for 1K????

When Sport Rider Mag does a review, they list weights, also the European Mags ( BIKE, Superbike etc )that do tire reviews list the weights also...
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Old 05-02-2008, 04:29 PM   #14
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Re: Lightest tires for 1K????

The lightest street tire I know of the Pilot Power 180-55-17 which
is 12lbs 2oz front is 9.0lbs stock is 13.8lbs rear and 8.5lbs front but
total saving would be less than a pound complete.

Take care.
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Old 05-10-2008, 09:04 AM   #15
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Re: Lightest tires for 1K????

can someone send me a link to a test that shows mounted diameter and weight for all the common sport bike tires?
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Old 05-10-2008, 09:47 AM   #16
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Re: Lightest tires for 1K????

Did you mean to write Wheels....not Tires??? thats at least what i hope you did
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Old 05-10-2008, 09:48 AM   #17
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Re: Lightest tires for 1K????

Pirelli's are light. About every other tire change or so i get a pirelli that is light and balanced perfectly. NO weights on the wheel looks good too.
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Old 05-11-2008, 04:19 PM   #18
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Re: Lightest tires for 1K????

Quote:
Originally Posted by Peter3746Gixxer View Post
Did you mean to write Wheels....not Tires??? thats at least what i hope you did
Nope, I mean tires. Why is that so hard to believe?

I don't need to buy wheels now but I do need tires soon. I said screw it and bought a scale ($60 at BBB). The local dealership has 5 brands in my size. I am going to have them weighed. I will post results.
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Old 05-11-2008, 04:37 PM   #19
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Re: Lightest tires for 1K????

hold on, i have an old sportrider here that did this...
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Old 05-11-2008, 04:41 PM   #20
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Re: Lightest tires for 1K????

ok, the lightest front tire is the bridgestone bt-014 at 8.51lbs.

the lightest rear tire in a 190 width is the pirelli diablo at 12.78lbs.

the lightest matching set of tires is the pirelli diablo at 21.68lbs. total.
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