- Bikes

Mario Kart Wii Guide - Unlockable Bikes

Lightweight

- Quacker
  How to unlock:
    1) Finish Star Cup in first place in 150cc
    2) Play 2,400 Grand Prix Races

- Magikruiser
  How to unlock:
    1) Complete 8 courses in Time Trials
    2) Win 5 WFC Races
    3) Play 900 Grand Prix Races

- Jet Bubble
  How to unlock:
    1) Finish the Leaf Cup in first place in Mirror Mode
    2) Play 3,900 Grand Prix Races

Middleweight

- Zip Zip
  How to unlock:
    1) Finish the Lightning cup in first place in 100cc
    2) Play 2,100 Grand Prix Races

- Sneakster
  How to unlock:
    1) Score (star) or higher in all Wii cups at 100cc
    2) Play 3,300 Grand Prix Races

- Dolphin Dasher
  How to unlock:
    1) Finish the Star Cup in first place in Mirror Mode
    2) Play 3,750 Grand Prix Races

Heavyweight

- Shooting Star
  How to unlock:
    1) Finish the Star Cup in first place in 100cc
    2) Play 1,500 Grand Prix Races

- Spear
  How to unlock:
    1) Unlock 12 Expert Staff Ghosts in Time Trials
    2) Win 200 WFC Races
   3) Play 3,600 Grand Prix Races

- Phantom
  How to unlock:
    1) Finish the Special Cup in first place in Mirror Mode
    2) Play 4,050 Grand Prix Races