1. freno   engine   pump   brake   chain   Hint Half-n-half Clue   2. raggio   spoke   engine   cable   tire pressure   Half-n-half Clue   3. catena   pedal   handbrake   chain   seat   Half-n-half Clue   4. pneumatico   engine   valve   tire   scooter   Half-n-half Clue   5. cavo   cable   engine   scooter   exhaust pipe   Half-n-half Clue   6. pressione delle gomme   sprocket   horn   lock   tire pressure   Half-n-half Clue   7. motore   shock absorber   engine   exhaust pipe   horn   Half-n-half Clue