OUtside diameter of these two sizes is the same
that is rim + 0.70 x 215mm = rim + 150.5mm
or rim + 0.75 x 205mm = rim + 153.7mm
3 mm difference that is within 1/8"
Other "extremes".... I do not know....I know others here have a lot of ideas on this <img src="/forums/images/graemlins/smile.gif" alt="" />
What do you mean about the "ticket" ???