tires not equal worn out

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TFR35 groetjes vanuit Niew Zeeland en ook Houtman, wat een verrassing zeg, first congratulations on the new cb1100, hope you are enjoying the ride apart from the tyres, I suppose you have checked the pressure in them, it can make a difference in the wear pattern as well and if you still have the original bridgestone on the front you are doing well, i got my cb1100 with 7.500 km and a brand new road pilot 3, i did check and it did not shake at all whilst decelerating, the shake is not a fault as such like ferret mentioned before and the "cupping" depends from tyre to tyre, i had some shinko's on another bike and they actually wore uneven to the point that they made a sound going through the corner, still drove fine though, just one of those things.
Thanks for the inquiry, it's a good question and thanks for joining the forum!