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Discussion Starter #1 (Edited)
Everyone tells me 200/55 will make a huge difference for the better. I did a search here, but I can’t find a confirmed fit, as far as hugger clearance? Thanks. Non SP CBR.
 

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If you have or intend to install a QS, along with TC, both systems may be unreliable if you use 200/55 as this bike is calibrated for OEM size: 190/50.
Fitment might be the least of your concerns.
Many threads here covering this topic


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Discussion Starter #4
I will find out I guess as I have the OEM QS. Tires are ordered.
I Have seen some posts, but in the end there is speculation and nothing confirmed. The QS will be the easiest to confirm.
I have not noticed my TC going off as of yet on stock size. But I’m trying to be smooth on the throttle, all the way to wide open. Not sure how sensitive or quick the TC is. I felt some small momentarily slippage, like fractions of a sec at the track, which I guess won’t trigger it.
 

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Something else to consider - if your bike originally came with a 190/50, the 200/55 is ~5% taller. Your speed will be off (fixed with Speedo Healer), but so will the geometry. I'm no suspension expert so can't comment on the affects.

From what I've been reading, the 200 will give you slightly better edge grip. I went from a 190/50 to a 190/55, which has the same profile as a 180/55. It was a major change to the handling, bike flicks back and forth like a 600, I couldn't be happier.
 

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Discussion Starter #7
Something else to consider - if your bike originally came with a 190/50, the 200/55 is ~5% taller. Your speed will be off (fixed with Speedo Healer), but so will the geometry. I'm no suspension expert so can't comment on the affects.

From what I've been reading, the 200 will give you slightly better edge grip. I went from a 190/50 to a 190/55, which has the same profile as a 180/55. It was a major change to the handling, bike flicks back and forth like a 600, I couldn't be happier.
Went with a 190/55 also. Won’t be on till next weekend.
 

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Discussion Starter #8 (Edited)
Why do you want a 200 size tire on a bike designed for a 190? Who is 'everyone'?
Well I guess you agree with Honda’s position “you bought a street bike” as posted by RC45. Then move on. I don’t. It’s a fucking joke. What is an even bitter joke is the retarded 50 profile. For nothing else in my opinion but to save a few bucks, and on top, possibly locking you in to use a 50 with the electronics sensitivity stupidity. Who will NOT tell you that a 200/55 is NOT the better option if you track the bike, even just for the fun of it, and you don’t have to be a racer or high level advanced.

From directly talking to GSXR AND R1 owners with newer models and electronics, it is no issue for them changing tire size. Just Honda retardation.
 

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Well I guess you agree with Honda’s position “you bought a street bike” as posted by RC45. Then move on. I don’t. It’s a fucking joke. What is an even bitter joke is the retarded 50 profile. Nothing else in my opinion to save a few bucks, and on top, possibly locking you in to use a 50 with the electronics sensitivity stupidity. Who will NOT tell you that a 200/55 is NOT the better option if you track the bike, even just for the fan of it, and you don’t have to be a racer or high level advanced.

From directly talking to GSXR AND R1 owners with newer models and electronics, it is no issue for them changing tire size. Just Honda retardation.
Ahh, ok hombre, I appreciate the input. Personally, i’d rather not have any electronic interference other than the quick-shifter.
 

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Discussion Starter #10
So I did “chicken out” and did not go with a 200/55 :LOL: 190/55 it is. Only about 40mi ride yesterday, but no issues with the QS.
 

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Discussion Starter #11
1st track day with 190/55 (Q4) and for the life of me I don’t know why Honda uses a 50. Don’t even think about hesitating putting, like every other OEM does, a 55 when the time comes for tires.
Also, the stock S21 were garbage, for me at least. I seriously think they could have been a bad batch, can’t think of them being that bad by design, unless 2.5 years on a sitting bike at the dealer ruined them... doubtful.
Still, going to better tires, the 55 profile is evidently a huge upgrade.
 

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Old "new" tires will definitely have degraded, especially high-performance motorcycle tires. Age does matter. Personally I have no experience with them, but plenty of people love the S21's.

Totally agree about the 55 series profile, wonder why they don't come like that.
 

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Old "new" tires will definitely have degraded, especially high-performance motorcycle tires. Age does matter. Personally I have no experience with them, but plenty of people love the S21's.

Totally agree about the 55 series profile, wonder why they don't come like that.
Weight, and the test riders during development found no issue with running 150.

But primarily weight, Honda really wanted the lightest liter bike of the day.
 

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Everyone tells me 200/55 will make a huge difference for the better. I did a search here, but I can’t find a confirmed fit, as far as hugger clearance? Thanks. Non SP CBR.
Im running 200/55 on my 2008 and love it, you can flick the bike a hell of a lot easier, the only issue I had was the tire hugger. 🤬
 

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Weight, and the test riders during development found no issue with running 150.

But primarily weight, Honda really wanted the lightest liter bike of the day.
The main reason I bought my sc77 was this! Weight. No other base liter bike is as light as the sc77. The 50 is not too bad for the street but a 55 is for sure better on the track.
 
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