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post #1 of 4 (permalink) Old 07-08-2008, 04:44 PM Thread Starter
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New front tire!

i am wondering what is the difference between the 100/90, 110/90 and 110/80. and will all of these fit on the front of our bikes.
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post #2 of 4 (permalink) Old 07-08-2008, 05:33 PM
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I don't know anything about the 110/80 size.
but I can tell you this.....just yesterday I replaced my old 100/90 tire with 110/90 which is bigger than 100/90. I (like most people on here) liked the (110/90) bigger tire on the front. the bike now has better braking power and a better ride.
hope this helps you a little.
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post #3 of 4 (permalink) Old 07-08-2008, 06:51 PM
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Quote:
Originally Posted by VN75008 View Post
i am wondering what is the difference between the 100/90, 110/90 and 110/80. and will all of these fit on the front of our bikes.
The first number is the tire width and the second number is the aspect ratio of the sidewall (height as a proportion of the width). 100/90 is a width of 100, and a sidewall of 90% of 100, which is 90. 110/90 is a width of 110, and a sidewall of 90% of 110, which is 99. 110/80, sidewall of 88. In inches, 100/90 (stock) is 3.54 inches, 110/90 is 3.90 inches, and 110/80 is 3.46 inches.

They all fit the bike. The difference will be in the handling, and in the speedometer. Based on previous threads, the 110/90 will yield a speedo reading closest to actual. 100/90 will be about 5% less than actual IIRC. Finally, that means that the 110/80 will show greater than 5% less than actual. Taller sidewall = higher circumference, Shorter sidewall = lower circumference; hence, different readings on the speedo. A narrower tire will have less of a contact patch (assuming the same shape) so steering and braking will be affected.

I hope this wasn't too long winded!

Chris
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post #4 of 4 (permalink) Old 07-08-2008, 11:27 PM
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You'll like the handling and turning feel of the 110. Everyone that I know of that have tried the 110 says the same thing.

Fergy
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