--- In ez3usx@yahoogroups.com, Michael Schutte <schutteonduty@...> wrote:
>
> I have Air Free tires on my USX and WhizWheel trikes. All my tires
are custom psi set to 115 PSI. The ride is the same as 100psi tube
tires, but I get no flats ever. My trikes have power-assist Honda
engines.
>
> Mike
> Rocklin, Ca

Mike, can we ask for a bit more detail please? I find Air Free tires at:
www.airfreetires.com
and on entering the 2006 model Sun Bicycle EZ3-USX, it asks the size
and shape of the rim, (same as a quarter and crowned, not flat), then
suggests the Catalina Freestyle or Catalina Freestyle HD 20 x 1.75
tire, or the Mohave BMX, Mohave BMX HD, or Mohave BMX HR 20 x 2.0
tire, (all described as Kids Bike, Trailer, Wagon and Cart Tires and
40-50 PSI) for that bike.

Personally, I expected it to suggest the Open Road Stree/Distance 20 x
1.35 (47 - 406) (90 or 120 PSI) tire, which was once available in 3
bead widths: 16-18, 18-20, or 20-22mm, but is now out of stock, with
the Schwalbe Marathon Plus (46 - 70 PSI) available from them for $42
as a recommended alternative.

So, which model year of Sun bike do you have, and which Air Free tire
did you buy?