That might have to do with your IP address being in Canada and not the USA...Down here the Amazon USA site is showing just the wheels he is interested in.
This is the one he is looking at.
DONSP1986 26 inch Spoke Wheelset, 26"*2.35/3.5 inch Double Layer Alum Alloy Wheel Set, 48S 12 Gage Silver Spoke Rim Set 100 * 135mm, F/R Disc Brake