1. tricycle   valve   horn   inner tube   tricycle   Hint Half-n-half Clue   2. câble   valve   cable   pump   tire   Half-n-half Clue   3. frein   brake   chain   sprocket   exhaust pipe   Half-n-half Clue   4. levier de vitesse   handlebar   shock absorber   gear lever   engine   Half-n-half Clue   5. moteur   engine   horn   tricycle   tire   Half-n-half Clue   6. chaîne   inner tube   chain   helmet   engine   Half-n-half Clue   7. casque   motorcycle   tire pressure   scooter   helmet   Half-n-half Clue