US buyers pay no tax, however might be charged duties for some made in Canada products due to regulation changes.
Canadian buyers pay GST or HST, based on the province they live in.
BC buyers pay GST+PST on kits, parts and ebikes. Bikes with conversion takes 5% GST on all and 7%PST on conversion kit only.
QC buyers Pay QST-GST
MB buyers Pay GST-PST MB