1. triciclo   wheel   tricycle   cable   valve   Hint Half-n-half Clue   2. cámara de aire   inner tube   tricycle   horn   tire pressure   Half-n-half Clue   3. casco   exhaust pipe   helmet   tire pressure   valve   Half-n-half Clue   4. freno de mano   sprocket   handbrake   handlebar   chain   Half-n-half Clue   5. freno   tire   inner tube   cable   brake   Half-n-half Clue   6. traba   tire   chain   brake   lock   Half-n-half Clue   7. motocicleta   exhaust pipe   cable   motorcycle   sprocket   Half-n-half Clue