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1 hour ago, KnifeySpoony said:

I'm not sure how it's possible but it seems my right front tire is rubbing on my wingstay despite there being a ~1cm gap. Anyone seen this?

 

 

If you run at low pressures and aggressive turning that is quite possible. What pressures and what kind of driving do you do?

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21 minutes ago, KnifeySpoony said:

Even that far from the contact patch?

Yes!

 

What are those tires? The sidewalls must be quite flexible. Performance tires usually have less flexible sidewalls.

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Check the thickness of the washer under the nut that holds the lower attachment of the stay. If there is a thick washer, or multiple washers you can move the stays a bit away from the tires.

 

On my road tires I can push my fingers into the gap past the first knuckle but not past the second knuckle on my fingers.

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On 9/6/2021 at 5:04 PM, KnifeySpoony said:

Even that far from the contact patch?

When the contact patch of the tire is pushed to one side due to cornering forces it drags some of the rest of the radial structure in that same direction....and oddly it makes the upper part of the tire move in the opposite direction. Think of the tread area and it's belts as a stiff ring around the outside of the tire...when you push part of it one way it will tilt the entire ring and this will move it inward at times toward the stay.

 

I'll bet if you slalom right/left/right and lean out and watch the driver's side tire you'll be able to see it happen.

 

dave

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