Got carried away with my next thought and posted gearing sizes as mm instead of teeth on the cogs. So in the statement,

So the power of the gears is not in how many you have, but in the size (56 mm - 28 mm) of the gears and how you use them!!

I should have said 56-teeth to 28-teeth ... and that sizing is what you might find on the front.

sorry about the mistake.