1. motore   valve   tricycle   wheel   engine   Hint Half-n-half Clue   2. ruota   wheel   motorcycle   inner tube   cable   Half-n-half Clue   3. camera d'aria   tricycle   gear lever   inner tube   horn   Half-n-half Clue   4. raggio   handlebar   tire pressure   brake   spoke   Half-n-half Clue   5. leva del cambio   horn   tricycle   gear lever   helmet   Half-n-half Clue   6. freno   helmet   valve   sprocket   brake   Half-n-half Clue   7. motocicletta   spoke   motorcycle   sprocket   handbrake   Half-n-half Clue