I have been a darksider for about 30K between my Valk, Wing and now F6. I came across this photo of my Valk with my first darkside tire. It is a Goodyear TT. Cost me $99 plus tax and it was on my Valk for about 18K and was still going when I sold it.

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I do not attempt to talk anyone into it, however as long as I own a heavy cruiser it will have a CT on the back.