Knobby tire on KS18L / KS18XL - will it fit? in King Song Posted March 12 On 7/19/2020 at 5:10 PM, UniVehje said: I have used a knobby tire on my 18XL. This one fits and works very well. It’s a bit strange at first but once you get used to it, it behaves nicely. I’m away from home and don’t remember the model number. Maybe @mrelwood can tell you what this model is as I bought it from him. Did you bought it at Ebay? Cause I want to get one too, looks good. Did you bought it at Ebay?