1. cavo   valve   helmet   cable   motorcycle   Hint Half-n-half Clue   2. freno   seat   brake   spoke   inner tube   Half-n-half Clue   3. manubrio   handlebar   shock absorber   handbrake   tricycle   Half-n-half Clue   4. dente di ruota   motorcycle   sprocket   engine   inner tube   Half-n-half Clue   5. scappamento   motorcycle   shock absorber   pump   exhaust pipe   Half-n-half Clue   6. motocicletta   tricycle   cable   motorcycle   gear lever   Half-n-half Clue   7. scooter   engine   pedal   tire   scooter   Half-n-half Clue