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Discussion Starter #1
just wondering, I just changed out the old bridgestone excedra whatevertheheckitis tire from up front, and decided since I had a good connection with a racer to get a good tire, I wanted to experiment a little, going from a 110/70 to a 120/70 on the front. in terms of what I've gained so far, I really think the 120 is offering better lean, with more of the tire making actual contact with the road while I'm leaned into a curve.

so, what width tires do you guys think work best on the front end?
 

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i used a 110 this past year on the track. felt pretty good to me.
 

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the 120 is being pinched into the rim, so it's geometry isn't quite as round as before. it will dive into turns quicker for sure. same goes for putting a 150 on the rear.

Best depends on what you're riding be it either Street, Strip, or Track. For street I'd keep the 110 upfront.
 

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I had the chance to go 120 in front with the 150 in rear, but i kept the front the stock size, so far its way better than the stock tire so i have no complaints.
 

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I run a 110 up front and love it.
 

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Unfortunately, asking what size front tire other people are running just doesn't tell anything important. When you changed tires you changed the brand and model of the tire. That means you changed the tread compound, tread shape, sidewall and carcass stiffness and who knows what else. These things caused the difference in the feel of the new tires over the old ones, not the difference between a 110 and a 120 size.

As for whether the 120 tire is being pinched or not depends on how it was made. Not all 120 section tires are made for the same width rim and if your new tires were made for an EX500 front rim width, then it would not be pinched. If the tire were made to fit a wider rim, then it is being pinched. If it's being pinched, it might handle quicker than the old tire (though that could also be because the old tire might have been worn a little flat in the center with highway miles). If it's not being pinched it could handle slower than the same model tire in a 110 size.

What you didn't tell us, that we all would really want to know, is what brand and model of tire did you replace your old Bridgestones with. That would be more important to me than the change from a 110 to a 120 section front tire.
 

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HotRod said:
Unfortunately, asking what size front tire other people are running just doesn't tell anything important. When you changed tires you changed the brand and model of the tire. That means you changed the tread compound, tread shape, sidewall and carcass stiffness and who knows what else. These things caused the difference in the feel of the new tires over the old ones, not the difference between a 110 and a 120 size.

As for whether the 120 tire is being pinched or not depends on how it was made. Not all 120 section tires are made for the same width rim and if your new tires were made for an EX500 front rim width, then it would not be pinched. If the tire were made to fit a wider rim, then it is being pinched. If it's being pinched, it might handle quicker than the old tire (though that could also be because the old tire might have been worn a little flat in the center with highway miles). If it's not being pinched it could handle slower than the same model tire in a 110 size.

What you didn't tell us, that we all would really want to know, is what brand and model of tire did you replace your old Bridgestones with. That would be more important to me than the change from a 110 to a 120 section front tire.
^Nice point
 

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Discussion Starter #9
well, I'm running a Dunlop D218 up front.
 

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Discussion Starter #11
while the D218 might not be a super tire, it does what I need. I mean for just commuting, I dont think an ultra sticky go crazyfast tire is a necessity. now, when I get the CBR, its gettin pilots because I wanna do some trackdays.

but considering the condition of my old front tires condition, the new one is a GREAT tire. old one was nearly 10 years old, bald on the left side, and showing cracks all over.
 
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