You can unlock the set of Mirror Cups when getting a gold trophy in all 50cc, 100cc and 150cc Cups.
just win 150cc
You get it by doing the Mirror Special Cup.
yep. its 150cc Mirror cup. WARNING: it is really hard.
(medium): Win the Mirror Star Cup.
come first in all 150cc cups
150cc Mirror Mode: Finish 150cc Retro Class with Gold trophies on every cup
Shooting Star (large bike)
Finish both intial retro cups if i recall
Well on the Wii you have to get a gold cup in every course thingy then you will get it.
Get first place in most of the races.
You unlock the Mirror tracks by winning all 150CC cups.
The dragonetti is not a real kart/bike in Mario Kart in the U.S. Please name the U.S. version of the kart/bike, but I believe you have to win the lightning cup. The North American version is the honeycoupe.