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Thread: proper aspect ratio choice for tires on 2004 R1100s

  1. #1
    Registered User
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    proper aspect ratio choice for tires on 2004 R1100s

    I am ready to put new tires on my '04 R1100s. I've read several reviews of tire options and think I'm going to try the Dunlap Roadsmart III tires. My existing Michelin 2GT are 120/70ZR17 front and 160/60ZR17 rear.

    Should I consider wider or taller tires? Should I consider lower profiles? This is my first motorcycle, my first tire change, I don't want to make a mistake that I have to live with for 10K miles. I'm sure over the years other owners have experimented with these size/configuration issues and perhaps shared a consensus as to what works best.

    Thanks in advance for your thoughts/responses.

    Carfont

  2. #2
    Left Coast Rider
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    Stock size is 120/70-17 front and 170/60-17 rear. Unless you have the 5.5 inch rear wheel where the size is then 180/55-17. Those are the tire sizes you should use because those are the ones which work best.

    You will be very happy with the Dunlop Roadsmarts.

  3. #3

    Tires

    Quote Originally Posted by BC1100S View Post
    Stock size is 120/70-17 front and 170/60-17 rear. Unless you have the 5.5 inch rear wheel where the size is then 180/55-17. Those are the tire sizes you should use because those are the ones which work best.

    You will be very happy with the Dunlop Roadsmarts.
    As BC1100s says, stay with the stock sizes. I run the same sizes on my '04 RT and recently switched from Michelin's to Dunlop's.

    So far, the Dunlop's have worked very, very well. And they were over $100 cheaper when Dunlop was doing the rebate thing.

  4. #4
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    R1100s aspect ratio of tires

    Thank you both!

    I am pretty sure I do have the 5.5 inch rear wheel, so the 180 width tire would be appropriate. I will replace both tires with confidence now. I really value being able to ask these questions and get reponses from other owners with experience.

    Respectfully,
    Carfont

  5. #5
    Left Coast Rider
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    Confirm your rear wheel size - its cast into the wheel near the hub or on one of the spokes - and get the appropriate tire. And don't forget to use, and frequently check, the factory-recommended tire pressures. It makes a huge difference in handling and tire life.

  6. #6
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    Tireís and pressure another great thread starter, you probably have the 5Ē wheel which is the 170 rear Iíve done Michelinís which are great but pricey I have Avonís on my 11s right now the front is not holding up as well but Iíve been riding it pretty hard since I got my GS which is now my everyday bike Dunlop is a great American made tire. Iím assuming youíre going to be riding the sierras (mosquito ridge road one of the greatest roads) I would lean towards a sportier tire unless itís going to be a commuter but if it is going to be a Sunday morning bike youíre going to want sticky over mileage. I donít care what they say you canít have both, I would lean Dunlop. If I ever got 10k out of any tire I would change my name to Michelin.

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