50 or 55 Profile ???

Discussion in 'Mods, Upgrades, Accessories and Products' started by Blackness, Apr 18, 2015.

  1. exuptoy

    exuptoy Elite Member

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    55 on mine (09 Blade) What are these chicken strips you speak of:D

    [​IMG]
     
  2. Gilesy

    Gilesy Elite Member

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    haha i don't have any either... and judging by the way Danny and I drove back from Ballater to Aberdeen yesterday, surprised there was not fire on the back tyre haha..
     
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  3. exuptoy

    exuptoy Elite Member

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    The bike certainly does roll over its tyre tho. I love that feeling in a corner. :)
     
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  4. BlackDevil

    BlackDevil God Like

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  5. Jimbo Vills

    Jimbo Vills God Like

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    Honestly don't say I notice too much of a difference....

    Went to a 200 rear at weekend, straight from 190 55 in exactly the same conditions, didn't notice diff either tbh.

    Think most of the time, it's down to it being new rubber from shot old so going to be great.

    But strangely enough, I lose the strips easier on a 55
     
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  6. Great Guy

    Great Guy Well-Known Member

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  7. Blackness

    Blackness Active Member

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    Whats everyones preferred tyre pressures now its warming up a bit ?
     
  8. Gilesy

    Gilesy Elite Member

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    this will be a contentious issue! I run 26-28.. way below the manufacturer but it suits me fine. Was 24-24 at a track day last September..
     
  9. Colonel_Klinck

    Colonel_Klinck New Member

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    I run 200/60 on track and honesty can't feel the difference to the 55. You'd really notice it if your bike is a road bike and you've warn down the centre. Then bang on a new set and jump up a size at the same time. Bike will really want to steer.
     
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  10. exuptoy

    exuptoy Elite Member

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    It's the shape of the tyre. Notice the radius is almost the same on a 180/55 & 190/55 but the tyre runs out to the sidewall whereas the 190/55 is wider. Also the profile of the 190/50 is much flatter with less of a curve. Definitely noticeable going from a 190/50 tp a 190/55. The bike rolls over the tyre surface and is easier to turn in due to the taller more rounded profile. IMO anyway.
    I went from a 190/50 Diablo Strada to a 190/55 Diablo Corsa Evo (I think) on an old Daytona T595 955i and the difference was incredible, but then the T595 was renowned to be better on a 180/55 than the 190/50 anyway.
     
    #30 exuptoy, Apr 18, 2015
    Last edited: Apr 18, 2015
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  11. BlackDevil

    BlackDevil God Like

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  12. Blackness

    Blackness Active Member

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    Jeeezus, no wonder you don't have chicken strips ! You're running 190mm of contact all the time ;)

    I must be running way too hard... I think i was at 36-38 o_O

    Some more voodoo i must gain knowledge about...
     
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  13. Blade048

    Blade048 Active Member

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    34 front and rear for me.
     
  14. exuptoy

    exuptoy Elite Member

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  15. BlackDevil

    BlackDevil God Like

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    The only problem you could get with the 55er tyre is, that your ABS (if you got one) won’t work like it should work. The ABS Light will come on from time to time and the system disabled itself.
    The Honda C-ABS does not have a calibration option like the Aprilia and the new Yamaha R1 got.
    Also, there will be a problem with the rear original hugger if you want to carry a passenger on your bike.
     
  16. Moon

    Moon Active Member

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    Have you got anymore information about the 55's on an ABS? I've just got some 55's for mine and I have ABS, I did not really think about it at the time. I guess the wheel speed sensor will read differently with a higher profile and the bike will think the back wheel is going faster than it really is?
     
  17. BlackDevil

    BlackDevil God Like

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  18. Moon

    Moon Active Member

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    So the manufacturers are saying use a 50 (to cover thier backs?) But some people have used the 55 on an ABS and not had any problems.

    In theory what could happen?
    If the ABS thinks the rear is going faster then it applies more brake force to the rear potentionally causing the rear to lock? Or maybe would it apply less force to the front?
    I'm not really sure how it works, just wonder if there were a problem what might it be?
     
  19. BlackDevil

    BlackDevil God Like

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    You are right!


    Some people will not have any problems with a 55er tyre and some will have big problems.


    The following problems could happen like it happened to me:


    - The whole ABS suddenly doesn’t work at all. It’s a real “nice” feeling if you are hard on the brakes and your lever suddenly goes to your handlebar. You have to turn off the bike and turn it on again to reset the ABS and you never know when it will happen again.

    - If you got a tyre (190/55 or 200/55 etc.) on your Honda which are not approved by Honda. I don’t think that Honda will cover any warranty for it.

    - Also, I don’t know what your Insurance will tell you when something will happen and you had installed a tyre on the bike which doesn’t belong to the bike.


    Don’t get me wrong, I had a 55er installed on my Fireblade as well, but sometimes such those things are not as easy as they might be.
     

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