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Buell Forum » 1125R Superbike Board » Archives 001 » Archive through September 22, 2008 » 190 rear tire « Previous Next »

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Hunter19
Posted on Friday, September 12, 2008 - 09:19 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Has anyone who has put new tires on went with a 190/50-17?
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Jdugger
Posted on Friday, September 12, 2008 - 10:54 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Why destroy the handling of the bike, even if it does fit?

At LEAST try a 190/55 to maintain the steering geometry.

But personally, I'd stick with a 180.
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1_mike
Posted on Friday, September 12, 2008 - 11:16 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

A 5" wide wheel is a touch narrow for a proper 190 tire fit.

Mike
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Pizzaboy
Posted on Saturday, September 13, 2008 - 03:24 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

ummm whats the point of putting a 190 on the bike??
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Zac4mac
Posted on Saturday, September 13, 2008 - 08:20 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Would be nice to know.
I found a set of race take-offs for 100 bucks, but the rear was a 190 and I passed on it.

Z
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Crowley
Posted on Saturday, September 13, 2008 - 08:27 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

If you put a 190 section on the rim size fitted to the 1125, you MAY end up with LESS rubber on the road owing to the profile being squeezed on to the rim.
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Xl1200r
Posted on Saturday, September 13, 2008 - 09:19 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

This topic has been beaten to death.

But to sum it up, squeezing a 190 onto the rim for a 180 will result in a wider rubber patch when the bike straight or at very mild lean angles, and less rubber at moderate to extreme lean angles.

This is because the 190 needs to get "pinched" to fit, but the steel belting doesn't allow the center diameter to change.

The result is amore stable bike going straight that is more difficult to turn in and less stable through turns.

I'd stick with the 180.
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Jpfive
Posted on Saturday, September 13, 2008 - 10:07 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Also, good luck with the clearance to the OEM can.
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