Tire Size: 180 vs. 190?



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Thread: Tire Size: 180 vs. 190?

  1. #1
    Maverick95's Avatar
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    Tire Size: 180 vs. 190?

    I've searched googl;e and can't find the answers i'm looking for. I'm sure its a matter of opinion and riding style for which one is better to ride on, 180 or 190 rear tire. But can anyone give me an answer as to which they found better? Can anyone give me a description or something of their exp[eriences with each size? Like what te handling and cornering differences were, etc, stuff like that? Thanks! I have a 190 on my gsxr right now but i need new tires and am trying to decide which to put on, 180 or 190 rear.
    "Anyone can open the throttle and go fast, but it takes real skill to bank a motorcycle around a corner so that you feel like if you get any lower, you might **** your pants."

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  2. #2
    Shaman's Avatar
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    Re: Tire Size: 180 vs. 190?

    Personal preference. The 190 has a bit more meat on the side of the tire, if you are doing any track days or really hard riding... but the 180 is lighter and makes the bike a little nimbler. And that's about the shape of it......... oh and you pay a bit more for the 190.

    I put a 180/55 back on my Tuono this year. It works better than it did with a 190 (but the brands are NOT the same, so it's not cut and dried).
    2007.5 Aprilia Tuono 1000R
    2006 Suzuki GSX-R 1000 (Street, Many mods)
    2005 Suzuki GSX-R 1000 (AM SuperBike)
    2008 Suzuki GSX-R 1000 (CDN SuperBike)
    2008 Kawasaki KX 450F
    http://www.kingstonriders.org/

  3. #3

    Re: Tire Size: 180 vs. 190?

    Your GSXR has a 5.5" wide rear rim that is meant to be used with a 180/55 tire. A 190/50 is meant for a 6" wide rim so it will be pinched in a small amount when on your bike. That affects the profile so the tire is not working exactly as it was meant to. The difference is relatively minor but it's still off a bit.

    FWIW, i suggest using a tire that was meant to go on a 5.5" rim, a 180.

  4. #4
    jeffjones's Avatar
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    Re: Tire Size: 180 vs. 190?

    Decent little read on the 180 vs 190.

    http://www.sportrider.com/tech/tires...ize/index.html
    2001 CBR F4i


    " they say at 100mph water feels like concrete ,so you can imagine what concrete feels like " - Nicky Hayden

  5. #5

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    Re: Tire Size: 180 vs. 190?

    When I had my TLS it had a 190 stock. I changed to a 180 and the bike was a better handling bike for it, but the tire looked small and there were the thoughts of reduced contact patch. Then 190/55's started showing up for street use and I found that to be a very good compromise, although it may limit your tire choices.

    Most common 180's are 180/55-17
    Most common 190's are 190/50-17 so the 190/55-17 took the best of both worlds, at least for me and my TL. On the SD I'm sticking with the 180.

  6. #6
    Shaman's Avatar
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    Re: Tire Size: 180 vs. 190?

    Didn't see the age on the GSX-R. Yeah, stick with 180.
    2007.5 Aprilia Tuono 1000R
    2006 Suzuki GSX-R 1000 (Street, Many mods)
    2005 Suzuki GSX-R 1000 (AM SuperBike)
    2008 Suzuki GSX-R 1000 (CDN SuperBike)
    2008 Kawasaki KX 450F
    http://www.kingstonriders.org/

  7. #7
    Teal's Avatar
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    Re: Tire Size: 180 vs. 190?

    Follow the tire manufacturer's recommendation. This may change from one tire model to the next.

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