1. triciclo   seat   tricycle   inner tube   motorcycle   Hint Half-n-half Clue   2. dente di ruota   seat   engine   tire pressure   sprocket   Half-n-half Clue   3. freno a mano   seat   pump   handbrake   motorcycle   Half-n-half Clue   4. raggio   motorcycle   spoke   pedal   seat   Half-n-half Clue   5. pompa   pump   tire   helmet   valve   Half-n-half Clue   6. motocicletta   handlebar   valve   pump   motorcycle   Half-n-half Clue   7. ruota   helmet   seat   tire   wheel   Half-n-half Clue