190/50 190/55 180/55 questions - Honda RC51 Forum : RC51 Motorcycle Forums
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post #1 of 23 (permalink) Old 04-29-2012, 05:38 PM Thread Starter
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190/50 190/55 180/55 questions

i have never used any other size then 190/50 for the life of my RC51 , in the past i heard riders using 180/55 for faster turning , 190/55 is the tire used now days , will the 180/55 work on my 02 ? 190/55 how much taller is it over the 180/55 , ,, please only info , im so new to asking ??? on a forum ,
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post #2 of 23 (permalink) Old 04-29-2012, 05:50 PM Thread Starter
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i found this --- A 190/55 is roughly 1/4 of an inch taller than a 180/55. The 180/55 still has better turn in because the profile on the 180 is steeper/pointyer.......I run the 190/55 because its the best comprimise between the contact patch of the 190/50, and the great turn in of the 180/55 ---- i tried all 3 sizes in the BT-016, liked the 190/55 for my 929. turns in faster than both 190/50 and 180/55. And that's not from rear ride height change since i adjusted my Fox TCR shock length to compensate. I'll guess the 180/55 is too narrow for 929's 6" rim and that flattens the profile. 180 noticeable less traction on rear braking or botched downshifts. 190/55 also best bump absorbtion when leaned over, feels less skitish on rough pavement. Tire life was about the same across the three: 2500 miles. ...alex --- I've ran the 190/50 that came on the bike then switched to the 180/55 when it was time. It definately turned in noticably quicker. A lil too quik for me on the street anyway. I just put on a new Michelin PilotPower 2CT 190/55. Racked up about 1200 mi. so far and I agree with MAC4LIFE it is the best of both worlds. Turns in a little quicker without sacrificing the corner stability that the 190s bring to the table.
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post #3 of 23 (permalink) Old 04-29-2012, 05:51 PM Thread Starter
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looks like i mite try the 190/55 next ,,,, after all the years going with something new
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post #4 of 23 (permalink) Old 04-29-2012, 06:10 PM
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looks like i mite try the 190/55 next ,,,, after all the years going with something new
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post #5 of 23 (permalink) Old 04-29-2012, 09:17 PM
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http://www.speedzilla.com/forums/rc5...5-55-tyre.html

This should help a little

James
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post #6 of 23 (permalink) Old 04-29-2012, 11:22 PM Thread Starter
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http://www.speedzilla.com/forums/rc5...5-55-tyre.html

This should help a little

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thanks for the info and time you took to look it up for me , have a great night
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post #7 of 23 (permalink) Old 04-29-2012, 11:28 PM
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thanks for the info and time you took to look it up for me , have a great night
Not a problem, anything for a fellow RC rider. I reread that thread every time I need a new rear when I see the price diff from a 180 to the 190/55. BTW every time I get the 190/55. Oh yeah one should be coming tomorrow from our friends at STG.
And it was a PITA, to find while on my phone.

James

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post #8 of 23 (permalink) Old 04-30-2012, 08:08 AM
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I've currently got a 180 mounted on mine but it's a Q2 which has a wider profile than most. I've never measured it but I know most manufacturers don't follow the exact measurements on the side of the tire. For example, Dunlop makes the 211GPA's in 190/55 and 200/55. 600's use 190's, 1000's use 200's. So where does the bastard mid size RC51 fall with it's 6" wheel? I've got a couple 190 GPA's, when I finish a 200 off I'll throw it on and see the difference.

I can say that the difference between a 190/55 and a 200/55 on a 1000RR is amazing. Getting on the gas with the 190 and the rear end squirms a lot. The 200 stays planted and drives hard out of turns. This is all on track though.

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post #9 of 23 (permalink) Old 04-30-2012, 02:46 PM
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http://rc51.org/tires.htm
thats where i got my tire info from.. i am currently running a 180/55 tire, but unfortunately i dont have anything to compare it to because it was what came on the rc51 when i purchased it. what i can say is, i am definitely leaning towards the 190/55 when the time comes to replace it because it does feel a bit squirmish at times. i like the sound of more tire contact with the road =P
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post #10 of 23 (permalink) Old 04-30-2012, 03:41 PM
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A graphic to illustrate the differences.

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