Senior Member
Join Date: Feb 2006
Location: Sin City, Nevada
Posts: 2,886
Bikes: Catrike 700, Greenspeed GTO trike, , Linear LWB recumbent, Haluzak Horizon SWB recumbent, Balance 450 MTB, Cannondale SM800 Beast of the East
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The Kenda Kwest comes in more than one 20" IS0 406 version. I had a set that came with my first trike rated 100 psi on the sidewall. The first set of replacement Kenda Kwests were labeled 60 psi. The Kenda website shows the following about the 406 high pressure version, "The Kwest High Pressure Road Recumbent tire is constructed of a steel bead and rates at a max of 100 PSI". You can lower the pressure for more comfort but is limited by the increased possibility of getting pinch flats or degrading the sidewall on the tire if you lower it too much. Utah Trikes has a 20" Kenda Kwest with a 60 psi maximum (on sale now for $10). You will lose some speed with a lower pressure but gain comfort.