Can you put SR 125 tires onto Aero R-skis that came with 150 tires?

Hi All-
I haven't been reading this newsgroup as closely as I
usually do this summer (it's too darn hot to think of
skiing!) but, as the days shorten, my attention span
lengthens (for this topic, anyway).

So, I apologize in advance if this topic has already
been beaten to death, but I have a question:
I have a pair of Jenex Aero Rollerskis that came with
the bigger (150?) tires. Comparing them to a friend's
SR125 skis, it appears that the frames are exactly the
same, and that the holes in the wheel forks are set up
to accomodate both wheel sizes.

So-- my question: can I order 4 smaller wheels
(making sure to get the O-rings!) and be on my merry
way? Better yet, is there any possibility that Jenex
would trade them out? Or that someone on this list
would be interested in buying the bigger wheels from
me? -- they have very light wear--less than 40-50K
mileage.

thanks-- now I'm heading out to do some double poling
(on my Pro-ski classic skis)

Chris Cline
SLC

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